「小聯盟棒球」：修訂間差異

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（建立內容為「==List== {{sticky header}} {| class="wikitable sortable sticky-header" !League !State(s) !Designation(s) !Years |- !scope="row"|Alabama-Florida League |Alabama, Florida||Class D||1936–1939, 1951–1962 |- !scope="row"|Alabama-Mississippi League |Alabama, Mississippi||Class D||1936 |- !scope="row"|Alabama State League |Alabama||Class D||1940–1941, 1956…」的新頁面）
標籤：2017 原始碼編輯
 
無編輯摘要
標籤：2017 原始碼編輯
 
（未顯示同一使用者於中間所作的 27 次修訂）
行 1： 行 1：
==List==
==List （1902-1962）==
{{sticky header}}
 
===1902-1917/1918===
{| class="wikitable sortable sticky-header"
{| class="wikitable sortable sticky-header"
!League
!League
行 6： 行 7：
!Designation(s)
!Designation(s)
!Years
!Years
!note
|-
|-
!scope="row"|[[Alabama-Florida League]]
|''American Association''
|[[Alabama]], [[Florida]]||[[Class D (baseball)|Class D]]||1936–1939, 1951–1962
|''New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin''
|''Class A <br>Class AA<br>Class AAA''
|''1903–1911<br>1912–1945<br>1946–1962''
|Ind（1902）
|-
|-
!scope="row"|Alabama-Mississippi League
|Appalachian League
|[[Alabama]], [[Mississippi]]||[[Class D (baseball)|Class D]]||1936
|Tennessee, North Carolina, Virginia, West Virginia
|Class D
|1911–1914
|
|-
|-
!scope="row"|[[Alabama State League]]
|Arkansas-Texas League
|[[Alabama]]||[[Class D (baseball)|Class D]]||1940–1941, 1956–1950
|Arkansas, Texas
| Class D
|1906
|
|-
|-
!scope="row"|[[Alabama-Tennessee League]]
|Atlantic Association
|[[Alabama]], [[Tennessee]]||[[Class D (baseball)|Class D]]||1921
|Massachusetts, Maine,Rhode Island
| Class D
|1908
|
|-
|-
!scope="row"|[[All-American Association]]
|Atlantic League
|[[Alabama]], [[Louisiana]], [[Tennessee]], [[Texas]]||[[Independent baseball league|Independent]]||2001
|New York
| Class D
|1914–1915
|
|-
|-
!scope="row"|[[American Association (1902–1997)|American Association]]
|Bi-State League
|[[Colorado]], [[Indiana]], [[Iowa]], [[Kansas]], [[Kentucky]], [[Louisiana]], [[Minnesota]], [[Missouri]], [[Nebraska]], [[New York (state)|New York]], [[Ohio]], [[Oklahoma]], [[Texas]], [[West Virginia]], [[Wisconsin]] ||[[Class A (baseball)|Class A]] {{small|(1903–1911)}}<br> [[Class AA (baseball)|Class AA]] {{small|(1912–1945)}}<br> [[Class AAA]] {{small|(1946–1962, 1969–1997)}}||1902&ndash;1962, 1969&ndash;1997
|Illinois, Wisconsin
| Class D
|1915
|
|-
|-
!scope="row"|[[Anthracite League (baseball)|Anthracite League]]
|Blue Ridge League
|[[Pennsylvania]] ||[[Class D (baseball)|Class D]]||1928
|Maryland, Pennsylvania, West Virginia
| Class D
|1915–1918
|
|-
|-
!scope="row"|[[Appalachian League]]
|Border League
|[[Tennessee]], [[North Carolina]], [[Virginia]], [[West Virginia]] ||[[Class D (baseball)|Class D]] {{small|(1911–1914, 1921–1925, 1937–1955, 1957–1962)}}<br/>[[Rookie-level|Rookie]] {{small|(1963–2020)}} ||1911–1914, 1921–1925, 1937–1955, 1957–2020.
|Michigan, Ontario
| Class D
|1912–1913
|
|-
|-
!scope="row"|[[Arizona Instructional League]]
|Buckeye League
|[[Arizona]] ||Winter [[Rookie-level|Rookie]]||1960–1991
|Ohio
| Class D
|1915
|
|-
|-
!scope="row"|Arizona League
|California State League
|[[Arizona]] ||[[Independent baseball league|Independent]]||1897
|California
| Class D
| 1910, 1912–1915
|
|-
|-
!scope="row"|[[Arizona-Mexico League]]
|Carolina Association
|[[Arizona]], [[Mexico]]||[[Class C (baseball)|Class C]] ||1955&ndash;1958
| North Carolina, South Carolina
| Class D
|1908–1912
|
|-
|-
!scope="row"|[[Arizona-Mexico League|Arizona-Mexico League II]]
|Central Association
|[[Arizona]], [[Mexico]]|| [[Independent baseball league|Independent]]  ||2003
|Illinois, Iowa, Missouri, Wisconsin
| Class D
|1908–1917
|
|-
|-
!scope="row"|[[Arizona Rookie League]]
|Central California League
|[[Arizona]]||Winter [[Rookie-level|Rookie]]||1964
|California
| Class D
|1910–1911
|
|-
|-
!scope="row"|[[Arizona State League]]
|Central International League
|[[Arizona]] ||[[Class D (baseball)|Class D]]||1928–1930
|Manitoba, Minnesota, North Dakota, Wisconsin
| Class C
|1912
|
|-
|-
!scope="row"|[[Arizona-Texas League]]
|Central Kansas League
|[[Arizona]], [[Texas]]||[[Class D (baseball)|Class D]] {{small|(1931–1932, 1937–1939)}}<br /> [[Class C (baseball)|Class C]] {{small|(1940–1941, 1947–1950, 1952&ndash;1954)}}||1931–1932, 1937–1941, 1947–1950, 1952&ndash;1954
|Kansas
| Class D
|1908–1912
|
|-
|-
!scope="row"|[[Arkansas-Louisiana-Texas League]]
|Central League
| [[Arkansas]], [[Louisiana]], [[Texas]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1951
|Illinois, Indiana, Michigan, Ohio, Pennsylvania, West Virginia
| Class B
|1903–1917
|
|-
|-
!scope="row"|[[Arkansas-Missouri League]]
|Central Texas League
|[[Arkansas]], [[Missouri]]||[[Class D (baseball)|Class D]]||1936–1940
|Texas
| Class D
|1914–1917
|
|-
|-
!scope="row"|[[Arkansas State League]]
|Colonial League
|[[Arkansas]], [[Louisiana]], [[Missouri]], [[Texas]]||[[Class D (baseball)|Class D]]||1893, 1897, 1908–1909, 1934–1935
|Connecticut, Massachusetts, Rhode Island
| Class C
|1914–1915
|
|-
|-
!scope="row"|[[Arkansas-Texas League]]
|Connecticut Association
|[[Arkansas]], [[Texas]]||[[Class D (baseball)|Class D]]||1906
|Connecticut
| Class D
|1910
|
|-
|-
!scope="row"|[[Atlantic Association]]
|Connecticut League
|[[Connecticut]], [[Delaware]], [[Massachusetts]], [[Maine]], [[Maryland]], [[New Jersey]], [[Pennsylvania]], [[Rhode Island]], [[Washington, D.C.]]||[[Independent baseball league|Independent]] {{small|(1889–1890)}}<br /> [[Class D (baseball)|Class D]] {{small|(1908)}}||1889–1890, 1908
|Connecticut
| Class B<br />Class D
|1902–1912
|
|-
|-
!scope="row"|[[Atlantic Coast League (1995)|Atlantic Coast League]]
|Copper Country Soo League
|[[North Carolina]], [[South Carolina]]||[[Independent baseball league|Independent]]||1995
|Michigan
| Class D
|1904–1905
|
|-
|-
!scope="row"|[[Atlantic League (1896–1900)|Atlantic League I]]
|Cotton States League
|[[Connecticut]], [[Delaware]], [[New Jersey]], [[New York (state)|New York]], [[Pennsylvania]], [[Virginia]]||[[Class A (baseball)|Class A]] {{small|(1896, 1899)}}<br>[[Class B (baseball)|Class B]] {{small|(1897–1898)}} ||1895–1900, 1905, 1907-1909
|Alabama, Arkansas, Florida, Louisiana, Mississippi
| Class D
|1902–1908,1910-1913
|
|-
|-
!scope="row"|[[Atlantic League (1914)|Atlantic League II]]
| Delta League
|[[Connecticut]], [[New Jersey]], [[New York (state)|New York]] ||[[Class D (baseball)|Class D]]  ||1914–1915
|Mississippi
| Class D
|1904–1905
|
|-
|-
!scope="row"|[[Basin League]]
| Dixie League
|[[Nebraska]], [[South Dakota]] ||[[Independent baseball league|Independent]]  ||1953–1959
|Georgia
| Class D
|1916–1917
|
|-
|-
!scope="row"|Beaver Valley League
|East Texas League
|[[Pennsylvania]]|| [[Independent baseball league|Independent]]  ||1894
|Texas
|Class D
|1916
|
|-
|-
!scope="row"|[[Bi-State League (1915)|Bi-State League]] I
|Eastern Association
|[[Illinois]], [[Wisconsin]] ||[[Class D (baseball)|Class D]]  ||1915
|Connecticut, Massachusetts
| Class B
|1913–1914
|
|-
|-
!scope="row"|[[Bi-State League|Bi-State League II]]
|Eastern Carolina League
|[[North Carolina]], [[Virginia]] ||[[Class D (baseball)|Class D]]  ||1934–1942
| North Carolina
| Class D
|1908–1910
|
|-
|-
!scope="row"|[[Big South League]]
|Eastern Illinois League
|[[Arkansas]], [[Mississippi]], [[Tennessee]] ||[[Independent baseball league|Independent]] ||1996–1997
|Illinois, Indiana
| Class D
|1907–1908
|
|-
|-
!scope="row"|[[Big State League]]
|Eastern Kansas League
|[[Texas]] ||[[Class B (baseball)|Class B]]  ||1947–1957
|Kansas
| Class D
|1910–1911
|
|-
|-
!scope="row"|[[Black Hills League]]
|''Eastern League''
|[[Nebraska]], [[South Dakota]] || [[Independent baseball league|Independent]] ||1891–1892
|''New York, Pennsylvania, Rhode Island, Virginia''
|''Class B <br>Class A''
|''1916–1918<br>1919–1932''
|
|-
|-
!scope="row"|[[Blue Grass League]]
|Empire State League
|[[Kentucky]] ||[[Class D (baseball)|Class D]]  ||1892, 1896, 1908–1912, 1922–1924
|Georgia
| Class D
|1913
|
|-
|-
!scope="row"|[[Blue Mountain League]]
|Florida-Alabama-Georgia League
|[[Pennsylvania]] ||[[Independent baseball league|Independent]] ||1907
|Georgia
| Class D
|1915
|
|-
|-
!scope="row"|[[Blue Ridge League|Blue Ridge League I]]
|Georgia State League
|[[Maryland]], [[Pennsylvania]], [[West Virginia]] ||[[Class D (baseball)|Class D]] ||1915–1918, 1920–1930
|Georgia
| Class D
| 1906, 1914
|
|-
|-
!scope="row"|[[Blue Ridge League|Blue Ridge League II]]
|Georgia-Alabama League
|[[North Carolina]], [[Virginia]] ||[[Class D (baseball)|Class D]] ||1946–1950
|Georgia
| Class D
|1913–1917
|
|-
|-
!scope="row"|[[Border League (baseball)|Border League I]]
|Hudson River League
|[[Michigan]], [[Ontario]] ||[[Class D (baseball)|Class D]] ||1912–1913
|New York
| Class D <br>Class C
|1903–1907
|
|-
|-
!scope="row"|[[Border League (baseball)|Border League II]]
|Illinois-Indiana-Iowa League (Three-I)
|[[New York (state)|New York]], [[Ontario]], [[Quebec]] ||[[Class C (baseball)|Class C]]  ||1946–1951
|Illinois, Indiana, Iowa, Minnesota, Wisconsin
| Class B
|1902–1917
|
|-
|-
!scope="row"|[[Buckeye League]]
|Illinois-Missouri League
|[[Ohio]] ||[[Class D (baseball)|Class D]]||1915
|Illinois, Missouri
| Class D
|1908–1914
|
|-
|-
!scope="row"|[[California Fall League]]
|Indiana-Ohio League
|[[California]]||Winter [[Rookie-level|Rookie]]||1998
|Indiana, Ohio
| Class D
|1908
|
|-
|-
!scope="row"|[[California League#Team list (prior incarnations)|California League I]]
|Inland Empire League
|[[California]] || [[Class B (baseball)|Class B]] {{small|(1892)}}<br> [[Class D (baseball)|Class D]] {{small|(1898)}}<br /> [[Class E (baseball)|Class E]] {{small|(1899)}}  ||1879–1893, 1896–1897, 1900–1902, 1906–1909
|Washington
| Class D
| 1908
|
|-
|-
!scope="row"|[[California Players League]]
|Interstate Association
|[[California]] || [[Independent baseball league|Independent]] ||1894
|Indiana, Michigan, Ohio
| Class C
|1906
|
|-
|-
!scope="row"|[[California State League]]
|Interstate League
|[[California]] ||  [[Class D (baseball)|Class D]] ||1883, 1885–1886, 1888, 1903–1906, 1910, 1912–1915, 1928–1929
| Ohio, Pennsylvania, New Jersey, New York, West Virginia
| Class C <br />Class D
|1905–1908, 1913–1916
|
|-
|-
!scope="row"|[[California Winter League|California Winter League I]]
|Iowa State League
|[[California]] || Winter League  ||1928–1947
|Illinois, Iowa
| Class D
|1904–1907, 1912
|
|-
|-
!scope="row"|[[Canadian American Association of Professional Baseball|Can–Am League]]
|Iowa-South Dakota League
|[[New Jersey]], [[New York (state)|New York]], [[Quebec]], [[Ontario]] || [[Independent baseball league|Independent]] ||2005–2019
| Iowa, South Dakota
| Class D
|1902–1903
|
|-
|-
!scope="row"|Canadian Association
|Kansas State League
|[[Canada]] || [[Independent baseball league|Independent]] ||1895
|Kansas, Oklahoma
| Class D
|1905–1906, 1909–1911, 1913–1914
|
|-
|-
!scope="row"|[[Canadian Baseball League]]
|Kentucky-Illinois-Tennessee League (KITTY)
|[[Canada]] ||   [[Independent baseball league|Independent]] ||2003
|Illinois, Indiana, Kentucky, Tennessee
| Class D
|1903–1906, 1910–1914, 1916
|
|-
|-
!scope="row"|[[Canadian League]]
| Maine State League
|[[Ontario]], [[Pennsylvania]] || [[Independent baseball league|Independent]]<br /> [[Class D (baseball)|Class D]] {{small|(1899)}} ||1885–1886, 1893–1894, 1896–1898
|Maine, New Hampshire
| Class D
|1907–1908
|
|-
|-
!scope="row"|Canadian Midland League
|Massachusetts-Connecticut League
|[[Canada]] || [[Independent baseball league|Independent]] ||1894
|Connecticut, Massachusetts
| Class D
|1912
|
|-
|-
!scope="row"|[[Canadian-American League|Canadian-American League I]]
|Michigan State League
| [[Massachusetts]], [[New York (state)|New York]], [[Ontario]] || [[Class C (baseball)|Class C]]||1936–1942, 1946–1951
|Michigan
| Class D
| 1911–1914
|
|-
|-
!scope="row"|[[Canadian-American League|Canadian-American League II]]
|Middle Texas League
|[[Ontario]] || [[Independent baseball league|Independent]] ||1959
|Texas
| Class D
|1914–1915
|
|-
|-
!scope="row"|Canal Zone League
|Minnesota-Wisconsin League
|[[Panama]] || Winter [[Rookie-level|Rookie]] ||1948–1950
|Minnesota, Wisconsin
| Class C<br />Class D
|1909–1912
|
|-
|-
!scope="row"|Cape Breton Colliery League
|Missouri-Iowa-Nebraska-Kansas League (MINK)
|[[Nova Scotia]] || [[Class D (baseball)|Class D]] {{small|(1937–1938)}}<br /> [[Class C (baseball)|Class C]] {{small|(1939)}} ||1937–1939
| Iowa, Kansas, Missouri, Nebraska
| Class D
|1910–1913
|
|-
|-
!scope="row"|[[Carolina Association]]
|Missouri State League
|[[North Carolina]], [[South Carolina]] || [[Class D (baseball)|Class D]] ||1908–1912
|Missouri
| Class D
|1911
|
|-
|-
!scope="row"|[[Carolina League (1936–38)|Carolina Baseball League]]
|Missouri Valley League
|[[North Carolina]] || [[Independent baseball league|Independent]] ||1936–1938
|Arkansas, Kansas, Missouri, Oklahoma
| Class D<br />Class C
|1902–1905
|
|-
|-
!scope="row"|Carolina Interstate League
|Mountain States League
|[[North Carolina]], [[South Carolina]] || [[Independent baseball league|Independent]]   ||1904
|Kentucky, Ohio, West Virginia
| Class D
|1911–1912
|
|-
|-
!scope="row"|[[Carolina Textile League]]
|Nebraska State League
|[[North Carolina]]  || [[Independent baseball league|Independent]]   ||1935
| Iowa, Kansas, Nebraska, South Dakota
| Class D
|1910–1915
|
|-
|-
!scope="row"|[[Central Association#1908–1917 league|Central Association I]]
|New Brunswick-Maine League
|[[Illinois]], [[Iowa]], [[Missouri]], [[Wisconsin]] || [[Class D (baseball)|Class D]]   ||1908–1917
|Maine, New Brunswick
| Class D
|1913
|
|-
|-
!scope="row"|[[Central Association#1947–1949 league|Central Association II]]
|New England League
|[[Illinois]], [[Iowa]], [[Missouri]] || [[Class C (baseball)|Class C]]   ||1947–1949
|Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island
| Class B
|1902–1915
|
|-
|-
!scope="row"|Central Atlantic League
|New Hampshire State League
|   ||   [[Independent baseball league|Independent]]  ||1888
|New York, Vermont
| Class D
|1907
|
|-
|-
!scope="row"|[[Central Baseball League]]
|New York-New Jersey League
|[[Louisiana]], [[Missouri]], [[Texas]] || [[Independent baseball league|Independent]]   ||2002–2005
|New York
| Class D
|1913
|
|-
|-
!scope="row"|[[Central California League]]
|New York State League
| [[California]] || [[Class D (baseball)|Class D]]   ||1896, 1910–1911
|New York, Pennsylvania
| Class B
|1902–1917
|
|-
|-
!scope="row"|Central Connecticut League
|North Carolina League
| [[Connecticut]] || [[Independent baseball league|Independent]]   ||1892, 1910–1911
|North Carolina
|Class D
|1902
|Virginia–North Carolina League（1901）
|-
|-
!scope="row"|[[Central International League]]
| North Carolina State League
| [[Manitoba]], [[Minnesota]], [[North Dakota]], [[Wisconsin]] || [[Class C (baseball)|Class C]]   ||1912
| North Carolina
| Class D
|1913–1917
|
|-
|-
!scope="row"|[[Central Interstate League]]
| North Texas League
| [[Illinois]], [[Indiana]], [[Iowa]]||[[Independent baseball league|Independent]] ||1887–1890
|Arkansas, Texas
| Class D
| 1905, 1907
|
|-
|-
!scope="row"|[[Central Kansas League]]
|Northeast Arkansas League
| [[Kansas]] || [[Class D (baseball)|Class D]] ||1908–1912
|Arkansas
| Class D
|1909–1911
|
|-
|-
!scope="row"|[[Central League (1888)|Central League I]]
|Northern-Copper Country League
| [[New Jersey]], [[New York (state)|New York]], [[Pennsylvania]]|| [[Independent baseball league|Independent]] ||1888
|Manitoba, Michigan, Minnesota, North Dakota
| Class C<br />Class D
|1906–1907
|
|-
|-
!scope="row"|[[Central League (1897)|Central League II]]
|Northern Copper Country-Soo League
| [[Illinois]], [[Indiana]], [[Kentucky]], [[Pennsylvania]] || [[Class C (baseball)|Class C]] ||1897
|Manitoba, Michigan, Minnesota, North Dakota
| Class D
|1905
|
|-
|-
!scope="row"|[[Central League (baseball)|Central League III]]
|Northern League
| [[Illinois]], [[Indiana]], [[Michigan]], [[Ohio]], [[Pennsylvania]], [[West Virginia]] || [[Class B (baseball)|Class B]] ||1900, 1903–1917, 1920–1922, 1926, 1928–1930, 1932, 1934
|Manitoba, Minnesota, North Dakota, Wisconsin
| Class D
|1902–1905, 1908
|
|-
|-
!scope="row"|[[Central League (baseball)|Central League IV]]
|Northern League
| [[Indiana]], [[Michigan]], [[Ohio]], [[West Virginia]] || [[Class A (baseball)|Class A]] ||1948–1951
|Manitoba, Minnesota, North Dakota, Ontario,Wisconsin
|Class C
Class D
|1913–1916
1917
|Central International League（1912）
|-
|-
!scope="row"|[[Central Mexican League]]
|Northern Maine League
| [[Mexico]] || [[Class C (baseball)|Class C]] ||1955–1957
|Maine
| Class D
|1909
|
|-
|-
!scope="row"|[[Central Nebraska League]]
|Northern State of Indiana League
| [[Nebraska]] || [[Independent baseball league|Independent]] ||1903
|Indiana
| Class D
|1909–1911
|
|-
|-
!scope="row"|[[Central New Jersey League]]
|Northwestern League
| [[New Jersey]] || [[Independent baseball league|Independent]] ||1891–1892
|Washington
| Class B
|1905–1917
|
|-
|-
!scope="row"|Central New York League
|Ohio State League
| [[New York (state)|New York]] || [[Independent baseball league|Independent]] ||1888, 1910
|Indiana, Kentucky, Michigan, Ohio, West Virginia
| Class D
|1908–1916
|
|-
|-
!scope="row"|[[Central Pennsylvania League]]
|Ohio-Pennsylvania League
| [[Pennsylvania]] || [[Independent baseball league|Independent]] {{small|(1886–1888, 1896, 1898)}}<br />[[Class F (baseball)|Class F]] {{small|(1897)}}||1886–1888, 1896–1898
| Ohio, Pennsylvania, West Virginia
| Class C<br />Class D
|1905–1912
|
|-
|-
!scope="row"|[[Central Texas League]]
|Oklahoma State League
| [[Texas]] || [[Class D (baseball)|Class D]] ||1914–1917
|Oklahoma
| Class D
|1912
|
|-
|-
!scope="row"|[[Chicago City League]]
|Oklahoma-Arkansas-Kansas League
| [[Illinois]] || [[Independent baseball league|Independent]] ||1887, 1890, 1892–1894, 1909–1910
|Arkansas, Kansas, Oklahoma
| Class D
|1907
|
|-
|-
!scope="row"|Citrus League
|Oklahoma-Kansas League
| [[Florida]] || Spring ||1972
|Kansas, Oklahoma
| Class D
|1908
|
|-
|-
!scope="row"|[[Coastal Plain League (Class D)|Coastal Plain League]]
|Oregon State League
| [[North Carolina]] || [[Class D (baseball)|Class D]] ||1937–1941, 1946–1952
|Oregon, Washington (state)
| Class D
|1904
|
|-
|-
!scope="row"|[[Cocoa Rookie League]]
|Pacific National League
| [[Florida]] || [[Rookie-level|Rookie]] ||1964
|Washington
| Class A <br />Class B
|1903–1904
|Pacific Northwest League（1902）
|-
|-
!scope="row"|[[Colonial League (baseball)|Colonial League I]]
|Pacific Northwest League
|[[Connecticut]], [[Massachusetts]], [[Rhode Island]] || [[Class C (baseball)|Class C]] ||1914–1915
|Washington
| Class B
|1902
|Pacific National League（1903）
|-
|-
!scope="row"|[[Colonial League (baseball)|Colonial League II]]
|Pennsylvania State League
|[[Connecticut]], [[New Jersey]], [[New York (state)|New York]] || [[Class B (baseball)|Class B]] ||1947–1950
|Pennsylvania
|Class D
|1902
|
|-
|-
!scope="row"|[[Colorado State League]]
|Pennsylvania-Ohio-Maryland League (POW)
|[[Colorado]] || [[Independent baseball league|Independent]] ||1885, 1889–1891, 1894–1896, 1898
|Maryland, Ohio, Pennsylvania, West Virginia
| Class D
|1908–1914
|
|-
|-
!scope="row"|[[Connecticut Association]]
|Pennsylvania-West Virginia League
| [[Connecticut]] || [[Class D (baseball)|Class D]] ||1910
|Pennsylvania, West Virginia
| Class D
|1906–1907
|
|-
|-
!scope="row"|[[Connecticut League|Connecticut League/Connecticut State League]]
|Potomac League
| [[Connecticut]] || [[Class E (baseball)|Class E]] {{small|(1891)}}<br /> [[Class B (baseball)|Class B]] {{small|(1894, 1905–1912)}}<br /> [[Class F (baseball)|Class F]] {{small|(1897–1901)}} ||1884–1885, 1888, 1891, 1894–1895, 1897–1912
|Maryland, West Virginia
| Class D
|1916
|
|-
|-
!scope="row"|[[Continental Baseball League]]
|Rio Grande Association
| [[Louisiana]], [[New Mexico]], [[Texas]] || [[Independent baseball league|Independent]] ||2007–2010
|Arizona, New Mexico, Texas
| Class D
|1915
|
|-
|-
!scope="row"|[[Copper Country Soo League]]
| Rocky Mountain League
|[[Michigan]] || [[Class D (baseball)|Class D]] ||1904–1905
|Colorado, New Mexico, Wyoming
| Class D
|1912
|
|-
|-
!scope="row"|[[Cotton States League|Cotton States League I]]
|San Joaquin Valley League
|[[Alabama]], [[Arkansas]], [[Florida]], [[Louisiana]], [[Mississippi]] || [[Class D (baseball)|Class D]]||1902–1914
|California
| Class D
|1910
|
|-
|-
!scope="row"|[[Cotton States League|Cotton States League II]]
| South Carolina League
|[[Arkansas]], [[Louisiana]], [[Mississippi]], [[Texas]] || [[Class D (baseball)|Class D]] ||1919–1932
| South Carolina
| Class D
|1906–1908
|
|-
|-
!scope="row"|[[Cotton States League|Cotton States League III]]
| South Central League
|[[Arkansas]], [[Louisiana]], [[Mississippi]], [[Texas]] || [[Class C (baseball)|Class C]]||1936–1941, 1947–1955
|Arkansas, Oklahoma
| Class D
| 1906, 1912
|
|-
|-
!scope="row"|[[Cumberland Valley League]]
|South Texas League
|[[Maryland]], [[Pennsylvania]] || [[Independent baseball league|Independent]] ||1896
|Louisiana,Texas
|Class C
| 1903–1906
|
|-
|-
!scope="row"|[[Dakota League]]
|Southeastern League
|[[North Dakota]], [[South Dakota]]||[[Class D (baseball)|Class D]]||1921–1922
|Georgia, Louisiana, North Carolina, Tennessee
|Class D
|1910–1912
|
|-
|-
!scope="row"|Dawson League
| ''Southern Association''
| [[Yukon]] || [[Independent baseball league|Independent]] ||1904
|''Georgia, Louisiana, Tennessee''
|''Class A''
''Class AA''
|''1902–1961''
|
|-
|-
!scope="row"|[[Delaware State League]]
|Southern California League
| [[Delaware]] ||   [[Independent baseball league|Independent]] ||1889
|California
|Class D
|1913
|
|-
|-
!scope="row"|[[Delta League]]
|Southern California Trolley League
| [[Mississippi]] || [[Class D (baseball)|Class D]]||1904–1905
|California
|Class D
|1910
|
|-
|-
!scope="row"|[[Dixie Association]]
|Southern Illinois League
|[[Alabama]], [[Arkansas]], [[Florida]], [[Georgia (U.S. state)|Georgia]], [[Louisiana]], [[New Mexico]], [[North Carolina]], [[Tennessee]], [[Texas]] || [[Class AA (baseball)|Class AA]]||1971
|Illinois
|Class D
|1910
|
|-
|-
!scope="row"|[[Dixie League (1916 baseball)|Dixie League I]]
|Southern Michigan League 
| [[Alabama]], [[Georgia (U.S. state)|Georgia]]|| [[Class D (baseball)|Class D]]||1916–1917
|Michigan
|Class D<br />Class C
|1906–1912
|
|-
|-
!scope="row"|[[Dixie League (1933 baseball)|Dixie League II]]
|Southern New Hampshire League
| [[Arkansas]], [[Louisiana]], [[Mississippi]], [[Texas]]|| [[Class C (baseball)|Class C]]||1933
|New Hampshire
|Class D
|1907
|
|-
|-
!scope="row"|[[East Dixie League]]
|Southwest Texas League
| [[Arkansas]], [[Louisiana]], [[Mississippi]]|| [[Class C (baseball)|Class C]] ||1934–1935
|Texas
|Class D
|1910–1911
|
|-
|-
!scope="row"|[[East Texas League]]
|Southwest Washington League
| [[Texas]]|| [[Class D (baseball)|Class D]] {{small|(1916, 1923–1926, 1931)}}<br /> [[Class C (baseball)|Class C]] {{small|(1936–1940, 1946, 1949–1950)}}   ||1916, 1923–1926, 1931, 1936–1940, 1946, 1949–1950
|Washington
|Class D
|1903–1906
|
|-
|-
!scope="row"|[[East Texas Negro League]]
|''Texas League''
| [[Louisiana]], [[Texas]]||[[Negro league baseball#Negro minor leagues|Negro minor]]||1946
|''Arkansas, Kansas, Louisiana, Mississippi, New Mexico, Oklahoma, Texas''
|''Class D<br>Class C<br>Class D<br>Class C<br>Class B<br>Class A<br>Class A1<br>Class AA''
|''1902–1903<br>1904–1905<br>1906<br>1907–1910<br>1911–1920<br>1921–1935<br>1936–1942<br>1946-''
|
|-
|-
!scope="row"|[[Eastern Association (baseball)|Eastern Association]]
|Texas-Oklahoma League
|[[Connecticut]], [[Massachusetts]], [[New York (state)|New York]], [[Pennsylvania]], [[Rhode Island]]||[[Independent baseball league|Independent]] {{small|(1882, 1901, 1909)}}<br /> [[Class B (baseball)|Class B]] {{small|(1913 –1914)}}||1882, 1901, 1909, 1913–1914
| Oklahoma, Texas
|Class D
|1911 –1914
|
|-
|-
!scope="row"|[[Eastern Canada League]]
|Tidewater League
|[[Ontario]], [[Quebec]]||[[Class B (baseball)|Class B]] ||1922–1923
|North Carolina, Virginia
|Class D
|1911
|
|-
|-
!scope="row"|[[Eastern Carolina Baseball Association]]
|Tri-State League
|[[North Carolina]]||[[Independent baseball league|Independent]]||1920–1922
|Delaware, New Jersey, Pennsylvania
|Class B
|1907–1914
|
|-
|-
!scope="row"|[[Eastern Carolina League]]
|Twin States League
|[[North Carolina]]||[[Class D (baseball)|Class D]]||1908–1910, 1928–1929
|New Hampshire, Vermont
|Class D
|1911
|
|-
|-
!scope="row"|[[Eastern Championship Association]]
|Union Association
|[[New York (state)|New York]], [[Pennsylvania]], [[Washington D.C.]]||[[Independent baseball league|Independent]]||1881
|Idaho, Montana, Utah
|Class D
|1911–1914
|
|-
|-
!scope="row"|[[Eastern Illinois League]]
|''Virginia League''
|[[Illinois]], [[Indiana]]||[[Class D (baseball)|Class D]]  ||1907–1908
|''North Carolina, Virginia''
|''Class C<br />Class B''
|''1906–1928''
|
|-
|-
!scope="row"|Eastern Interstate League
|Virginia Mountain League
|[[Illinois]], [[Pennsylvania]]||[[Independent baseball league|Independent]] ||1888, 1890, 1895
|Virginia
|Class D
|1914
|
|-
|-
!scope="row"|[[Eastern Iowa League]]
|Virginia-North Carolina League
|[[Illinois]], [[Iowa]]||[[Independent baseball league|Independent]] ||1905
| North Carolina, Virginia
|Class D
|1905
|
|-
|-
!scope="row"|[[Eastern Kansas League]]
|Virginia Valley League
|[[Kansas]]||[[Class D (baseball)|Class D]]  ||1910–1911
|Kentucky, Oregon, West Virginia
| Class D
|1910
|
|-
|-
!scope="row"|[[Eastern League (1884)|Eastern League I]]
|Washington State League
|[[Delaware]], [[Maryland]], [[New Jersey]], [[Pennsylvania]], [[Virginia]]||[[Independent baseball league|Independent]]||1884–1887
|Washington
|Class D
|1910–1912
|
|-
|-
!scope="row"|[[Eastern League (baseball, 1916–32)|Eastern League II]]
|West Michigan League
|[[Connecticut]], [[Maine]], [[Massachusetts]], [[New York (state)|New York]], [[Pennsylvania]], [[Rhode Island]], [[Virginia]]||[[Class B (baseball)|Class B]] {{small|(1916–1916)}}<br />[[Class A (baseball)|Class A]] {{small|(1919, 1932)}}||1916–1919, 1932
| Michigan
|Class D
|1915
|
|-
|-
!scope="row"|[[Eastern New England League]]
|West Virginia League
|[[Maine]], [[Massachusetts]]||[[Independent baseball league|Independent]] ||1885
|West Virginia
| Class D
|1910
|
|-
|-
!scope="row"|[[Eastern Shore League]]
|Western Association
|[[Delaware]], [[Maryland]], [[Virginia]]||[[Class D (baseball)|Class D]]  ||1922–1928, 1937–1941, 1946–1949
|Arkansas, Kansas, Oklahoma,Missouri,Texas
|Class D<br />Class C
|1911, 1914–1917,
|
|-
|-
!scope="row"|[[Empire State League]]
|Western Canada League
|[[Georgia (U.S. state)|Georgia]], [[New York (state)|New York]] ||[[Independent baseball league|Independent]] {{small|(1887)}}<br />[[Class D (baseball)|Class D]] {{small|(1913)}}  ||1887, 1913
|Alberta, Manitoba, Saskatchewan
| Class D
|1907, 1910–1914
|
|-
|-
!scope="row"|[[Empire State League (1987)]]
|''Western League''
| [[New York (state)|New York]] ||[[Independent baseball league|Independent]] ||1987
|''Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, Texas, Wisconsin''
|''Class A''
|''1902–1937''
|
|-
|-
!scope="row"|[[Empire State League (1905–1907)]]
| Western Ontario Baseball Association
|[[New York (state)|New York]] ||[[Independent baseball league|Independent]] 1905 –1907  ||1905–1907
|Ontario
|Class D
|1905
|
|-
|-
!scope="row"|[[Evangeline Baseball League]]
|Western Pennsylvania League
|[[Louisiana]], [[Mississippi]], [[Texas]]||[[Class D (baseball)|Class D]] {{small|(1934–1942, 1946–1948)}}<br />[[Class C (baseball)|Class C]] {{small|(1949–1957)}}||1934-1942, 1946–1957
|Maryland, Pennsylvania, West Virginia
|Class D
|1907
|
|-
|-
!scope="row"|[[Far West League (1948–1951)|Far West League]]
|Western Tri-State League
|[[California]], [[Oregon]], [[Nevada]]||[[Class D (baseball)|Class D]]||1948–1951
|Idaho, Oregon, Washington (state)
|Class D
| 1912–1914
|
|-
|-
!scope="row"|[[Federal League]]
|Wisconsin-Illinois League
|[[Illinois]], [[Indiana]], [[Kentucky]], [[Missouri]], [[Ohio]], [[Pennsylvania]] ||[[Independent baseball league|Independent]]  ||1913
|Illinois, Wisconsin
|Class D
| 1908–1914
|
|-
|-
!scope="row"|[[Florida-Alabama-Georgia League]]
|Wisconsin State League
|[[Alabama]], [[Florida]], [[Georgia (U.S. state)|Georgia]]||[[Class D (baseball)|Class D]] ||1915
|Illinois, Wisconsin
|Class D
|1905–1907
|
|}
 
===1918/1919-1932/1933/1934===
{| class="wikitable sortable sticky-header"
!League
!State(s)
!Designation(s)
!Years
!note
|-
|-
!scope="row"|Florida East Coast Instructional League
|Alabama-Tennessee League
|[[Florida]]|| Winter [[Rookie-level|Rookie]]||1964
|Alabama, Tennessee
| Class D
|1921
|
|-
|-
!scope="row"|[[Florida East Coast League]]
|''American Association''
|[[Florida]]||[[Class D (baseball)|Class D]] {{small|(1946–1948)}}<br />[[Rookie-level|Rookie]] {{small|(1949–1954)}}||1946–1954
|''New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin''|| class="" D (baseball) |''Class A <br>Class AA<br>Class AAA''||''1903–1911<br>1912–1945<br>1946–1962''
|Ind（1902）
|-
|-
!scope="row"|[[Florida Instructional League]]
|Anthracite League
|[[Florida]]||Winter [[Rookie-level|Rookie]]||1958–2007
|Pennsylvania
|Class D
|1928
|
|-
|-
!scope="row"|Florida Instructional League North
|Arizona State League
|[[Florida]]||Winter [[Rookie-level|Rookie]]||1969
|Arizona
|Class D
|1928–1930
|
|-
|-
!scope="row"|Florida Instructional League South
|Arizona-Texas League
|[[Florida]]||Winter [[Rookie-level|Rookie]]||1969
|Arizona, Texas
|Class D
|1931–1932
|
|-
|-
!scope="row"|[[Florida International League]]
|Blue Grass League
|[[Cuba]], [[Florida]]||[[Class C (baseball)|Class C]] {{small|(1946–1948)}}<br>[[Class B (baseball)|Class B]] {{small|(1949–1954)}}||1946–1954
|Kentucky
|Class D
|1922–1924
|
|-
|-
!scope="row"|Florida Winter League
|Blue Ridge League 
|[[Florida]]||Winter||1960–1961
|Maryland, Pennsylvania, West Virginia
|Class D
|1920–1930
|
|-
|-
!scope="row"|Geauga County League
| California State League
|[[Ohio]]||[[Independent baseball league|Independent]]||1905
|California
|Class D
|1928–1929
|
|-
|-
!scope="row"|[[Georgia State League]]
|Central League
|[[Georgia (U.S. state)|Georgia]]||[[Class D (baseball)|Class D]]  ||1906, 1914, 1920–1921, 1948–1956
|Illinois, Indiana, Michigan, Ohio, Pennsylvania, West Virginia
|Class B
|1920–1922, 1926, 1928–1930, 1932, 1934
|
|-
|-
!scope="row"|[[Georgia-Alabama League]]
|Cotton States League
|[[Alabama]], [[Georgia (U.S. state)|Georgia]] ||[[Class D (baseball)|Class D]]  ||1913–1917, 1928–1930, 1946–1951
|Arkansas, Louisiana, Mississippi, Texas
|Class D
|1919–1932
|
|-
|-
!scope="row"|[[Georgia-Florida League]]
|Dakota League
|[[Florida]], [[Georgia (U.S. state)|Georgia]], ||[[Class D (baseball)|Class D]] {{small|(1935–1942, 1946–1958, 1962)}}<br /> [[Class A (baseball)|Class A]] {{small|(1963)}}  ||1935–1942, 1946–1958, 1962–1963
|North Dakota, South Dakota
|Class D 
|1921–1922
|
|-
|-
!scope="row"|[[Great Central League]]
|East Texas League
|[[Illinois]], [[Indiana]], [[Iowa]], [[Minnesota]]||[[Independent baseball league|Independent]]||1994
| Texas
|Class D
Class C
|1923–1926, 1931
|
|-
|-
!scope="row"|[[Gulf League]]
|Eastern Canada League 
|[[Alabama]], [[Louisiana]]||[[Independent baseball league|Independent]]||1886
|Ontario, Quebec
|Class B
|1922–1923
|
|-
|-
!scope="row"|[[Gulf States League]]
|Eastern Carolina League
|[[Louisiana]], [[Texas]]||[[Class A (baseball)|Class A]]||1976
|North Carolina
|Class D
|1928–1929
|
|-
|-
!scope="row"|[[Hawaii Winter Baseball]]
|''Eastern League''
|[[Hawaii]]||Winter [[Independent baseball league|Independent]]||1993–2008
|''New York, Pennsylvania, Rhode Island, Virginia''
|''Class B <br>Class A''
|''1916–1918<br>1919–1932''
|
|-
|-
!scope="row"|[[Hudson River League]]
| Eastern Shore League
|[[Massachusetts]], [[New York (state)|New York]] ||[[Class D (baseball)|Class D]] {{small|(1903)}}<br>[[Class C (baseball)|Class C]] {{small|(1904–1907)}}||1903–1907
| Delaware, Maryland, Virginia
|Class D 
|1922–1928
|
|-
|-
!scope="row"|[[Illinois-Indiana League]]
|Georgia State League
|[[Illinois]], [[Indiana]]||[[Independent baseball league|Independent]]||1889, 1892
| Georgia
|Class D
|1920–1921
|
|-
|-
!scope="row"|[[Illinois-Indiana-Iowa League]] (Three-I)
|Georgia-Alabama League 
|[[Illinois]], [[Indiana]], [[Iowa]], [[Minnesota]], [[Wisconsin]]||[[Class D (baseball)|Class D]] {{small|(1901)}}<br>[[Class B (baseball)|Class B]] {{small|(1902–1917, 1919–1932, 1935, 1937–1942, 1946–1961)}}||1901–1917, 1919–1932, 1935, 1937–1942, 1946–1961
|Georgia
|Class D
| 1928–1930
|
|-
|-
!scope="row"|[[Illinois-Iowa League]]
|Illinois-Indiana-Iowa League (Three-I)
|[[Indiana]], [[Illinois]], [[Iowa]]||[[Independent baseball league|Independent]]||1890–1892
|Illinois, Indiana, Iowa, Minnesota, Wisconsin
|Class D
Class B
|1919–1932
|
|-
|-
!scope="row"|[[Illinois State League]]
|Interstate League
|[[Illinois]]||[[Class D (baseball)|Class D]] ||1947–1948
|Ohio, Pennsylvania, New Jersey, New York, West Virginia
|Class D
|1932
|
|-
|-
!scope="row"|[[Illinois-Missouri League]]
|Indiana-Michigan League
|[[Illinois]], [[Missouri]]||[[Class D (baseball)|Class D]] ||1908–1914
|Indiana, Michigan
|Class D
|1921
|
|-
|-
!scope="row"|Independent Negro League
|Kentucky-Illinois-Tennessee League (KITTY)
|[[Georgia (U.S. state)|Georgia]], [[Louisiana]], [[Maryland]], [[Missouri]], [[Tennessee]], [[New Jersey]], [[New York (state)|New York]], [[Ohio]], [[Pennsylvania]], [[Texas]], [[Washington D.C.]]|| [[Independent baseball league|Independent]] ||1914–1950
|Illinois, Indiana, Kentucky, Tennessee 
|Class D
|1922–1924
|
|-
|-
!scope="row"|[[Independent Northern League]]
|Lone Star League 
|[[New York (state)|New York]], [[Ontario]]|| [[Independent baseball league|Independent]] ||1906
|Texas
|Class D
|1927–1929
|
|-
|-
!scope="row"|[[Indiana-Michigan League]]
|Louisiana State Baseball League
|[[Indiana]], [[Michigan]]||[[Class D (baseball)|Class D]] ||1921
|Louisiana
|Class D
|1920
|
|-
|-
!scope="row"|[[Indiana-Ohio League]]
|Michigan State League 
|[[Indiana]], [[Ohio]]||[[Class D (baseball)|Class D]] ||1908
|Michigan
| Class B
|1926
|
|-
|-
!scope="row"|[[Indiana State League]]
| Michigan-Ontario League
|[[Indiana]]||[[Independent baseball league|Independent]]||1889, 1890, 1900
|Michigan, Ontario
|Class B
| 1919–1926
|
|-
|-
!scope="row"|[[Inland Empire League]]
|''Middle Atlantic League''
|[[Oregon]], [[Washington (state)|Washington]]||[[Class D (baseball)|Class D]] ||1902, 1908
|''New York, Pennsylvania, West Virginia''
|''Class C''
|''1925–1942''
|
|-
|-
!scope="row"|[[Inter-American League]]
|Mississippi State League
|[[Florida]], [[Dominican Republic]], [[Panama]], [[Puerto Rico]], [[Venezuela]]||[[Class AAA]] ||1979
|Mississippi
|Class D
|1924
|
|-
|-
!scope="row"|[[International Association for Professional Base Ball Players]]
|Mississippi Valley League
|[[Ohio]], [[Ontario]], [[New Hampshire]], [[New York (state)|New York]], [[Massachusetts]], [[Michigan]], [[New Jersey]]||[[Independent baseball league|Independent]]||1877–1880, 1888–1900
|Illinois, Iowa
|Class D
Class B
|1922–1933
|
|-
|-
!scope="row"|[[International League of Independent Professional Base Ball Clubs]]
| ''Nebraska State League''
|[[Cuba]], [[Delaware]], [[New Jersey]], [[Pennsylvania]]||[[Independent baseball league|Independent]]||1906
| ''Iowa, Kansas, Nebraska, South Dakota''
|''Class D''
|''1922–1923, 1928–1938''
|
|-
|-
!scope="row"|[[Interstate Association]]
|New England League
|[[Indiana]], [[Michigan]], [[Ohio]]||[[Class C (baseball)|Class C]]||1906
|Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island
|Class B
|1926–1930, 1933
|
|-
|-
!scope="row"|[[Interstate League]]
|''New York–Pennsylvania League''
|[[Indiana]], [[Kentucky]], [[Michigan]], [[Ohio]], [[Pennsylvania]], [[New Jersey]], [[New York (state)|New York]], [[West Virginia]]||[[Independent baseball league|Independent]] {{small|(1896–1901)}}<br /> [[Class C (baseball)|Class C]] {{small|(1913)}}<br /> [[Class D (baseball)|Class D]] {{small|(1905–1908, 1914–1916, 1932)}}||1896–1901, 1905–1908, 1913–1916, 1932
|''New York, Pennsylvania''
| ''Class DClass A''
|''1923–1937''
|
|-
|-
!scope="row"|[[Iowa State League]]
| North Dakota League
|[[Illinois]], [[Iowa]]||[[Class D (baseball)|Class D]]||1904–1907, 1912
| North Dakota
|Class D 
|1923
|
|-
|-
!scope="row"|[[Iowa-South Dakota League]]
|Northern Utah League
|[[Iowa]], [[South Dakota]]||[[Class D (baseball)|Class D]]||1902–1903
|Idaho, Utah
|Class D
|1921
|
|-
|-
!scope="row"|[[Iron & Oil Association]]
|Northwest International League
|[[Ohio]], [[Pennsylvania]]||[[Independent baseball league|Independent]]||1884
| Washington
|Class B
| 1919
|
|-
|-
!scope="row"|[[Iron & Oil League]]
|Oklahoma State League
|[[New York (state)|New York]], [[Ohio]], [[Pennsylvania]], [[West Virginia]]||[[Independent baseball league|Independent]] {{small|(1885, 1892)}}<br> [[Class F (baseball)|Class F]] {{small|(1898)}}<br /> [[Class C (baseball)|Class C]] {{small|(1895)}}||1885, 1892, 1895, 1898
|Oklahoma
|Class D
|1922–1924
|
|-
|-
!scope="row"|[[Kansas State League]]
|Ontario-Quebec-Vermont League
|[[Kansas]], [[Oklahoma]]||[[Independent baseball league|Independent]] {{small|(1887, 1895–1898)}}<br /> [[Class D (baseball)|Class D]] {{small|(1905–1906, 1909–1911, 1913–1914)}}||1887, 1895–1898, 1905–1906, 1909–1911, 1913–1914
|Ontario, Quebec, Vermont
|Class B
|1924
|
|-
|-
!scope="row"|[[Kansas-Oklahoma-Missouri League]] (KOM)
|Pacific Coast International League
|[[Kansas]], [[Missouri]], [[Oklahoma]]||[[Class D (baseball)|Class D]] ||1946–1952
| Washington
|Class B
|1918–1922
|
|-
|-
!scope="row"|[[Kentucky–Indiana League]]
|Palmetto League
|[[Indiana]], [[Kentucky]]||[[Independent baseball league|Independent]] ||1896
|Georgia, South Carolina
|Class D
|1931
|
|-
|-
!scope="row"|[[Kentucky-Illinois-Tennessee League]] (KITTY)
|Panhandle-Pecos Valley League
|[[Illinois]], [[Indiana]], [[Kentucky]], [[Tennessee]]||[[Class D (baseball)|Class D]] ||1903–1906, 1910–1914, 1916, 1922–1924, 1933–1942, 1946–1955
|New Mexico, Texas
|Class D
| 1923
|
|-
|-
!scope="row"|[[Keystone Association]]
|''Piedmont League''
|[[Pennsylvania]]||[[Independent baseball league|Independent]] ||1884–1885
|''Maryland, North Carolina, Pennsylvania, South Carolina, Virginia''
| ''Class DClass CClass B''
|''1921–1955''
|
|-
|-
!scope="row"|[[League Alliance]]
|Rio Grande Valley League
|[[Eastern United States]]||Semi-affiliated||1877, 1882
|Texas
|Class D
|1931
|
|-
|-
!scope="row"|[[Lone Star League]]
|South Dakota League
|[[Texas]]||[[Class D (baseball)|Class D]] {{small|(1927–1929)}}<br /> [[Class C (baseball)|Class C]] {{small|(1947–1949)}}<br>[[Class A (baseball)|Class A]] {{small|(1977)}}||1927–1929, 1947–1949, 1977
| Minnesota, North Dakota, South Dakota
|Class D
|1920–1923
|
|-
|-
!scope="row"|[[Longhorn League]]
|Southeastern League
|[[Texas]]||[[Class C (baseball)|Class C]]||1947–1955
|Georgia, Louisiana, North Carolina, Tennessee
|Class B
|1926–1930, 1932
|
|-
|-
!scope="row"|[[Louisiana State Baseball League]]
|''Southern Association''
|[[Louisiana]]||[[Independent baseball league|Independent]] {{small|(1915)}}<br />[[Class D (baseball)|Class D]] {{small|(1920)}}||1915, 1920
|''Georgia, Louisiana, Tennessee''
|''Class A''
''Class AA''
|''1902–1961''
|
|-
|-
!scope="row"|[[Maine State League]]
|Southwestern League
|[[Maine]], [[New Hampshire]]||[[Independent baseball league|Independent]] {{small|(1887)}}<br />[[Class D (baseball)|Class D]] {{small|(1907–1908)}}||1887, 1907–1908
|Arkansas, Kansas, Missouri, Oklahoma
|Class D
Class C
|1921–1926
|
|-
|-
!scope="row"|[[Manitoba-Dakota League]] (MANDAK)
| Texas Association
|[[Manitoba]], [[North Dakota]]||[[Independent baseball league|Independent]] ||1950–1957
|Texas
|Class C
|1923–1926
|
|-
|-
!scope="row"|[[Maryland Fall Baseball]]
|Texas-Oklahoma League
|[[Maryland]]||Fall ||1998
|Oklahoma, Texas
|Class D
|1921–1922
|
|-
|-
!scope="row"|Massachusetts-Connecticut League
|Texas Valley League
|[[Connecticut]], [[Massachusetts]]||[[Class D (baseball)|Class D]]||1912
|Texas
|Class D
|1927–1928
|
|-
|-
!scope="row"|[[Michigan State League]]
|Utah-Idaho League
|[[Michigan]]||[[Independent baseball league|Independent]] {{small|(1889–1890, 1895)}}<br>[[Class D (baseball)|Class D]] {{small|(1902, 1911–1914)}}<br />[[Class C (baseball)|Class C]] {{small|(1926, 1940–1941)}}||1889–1890, 1895, 1902, 1911–1914, 1926, 1940–1941
|Idaho, Utah
|Class C
|1926 –1928
|
|-
|-
!scope="row"|[[Michigan-Ontario League]]
|''Virginia League''
|[[Michigan]], [[Ontario]]||[[Class B (baseball)|Class B]]||1919–1926
|''North Carolina, Virginia''
|''Class C<br />Class B''
|''1906–1928''
|
|-
|-
!scope="row"|[[Middle Atlantic League]]
|West Texas League
|[[Maryland]], [[Ohio]], [[New York (state)|New York]], [[Pennsylvania]], [[West Virginia]]||[[Class C (baseball)|Class C]]||1925–1942, 1946–1951
|Texas
|Class D
|1920–1922, 1928–1929
|
|-
|-
!scope="row"|[[Middle States League]]
|Western Arkansas League
|[[Connecticut]], [[Delaware]], [[New Jersey]], [[Pennsylvania]]||[[Independent baseball league|Independent]] ||1889
|Arkansas
|Class D
|1924
|
|-
|-
!scope="row"|[[Middle Texas League]]
| Western Association
|[[Texas]]||[[Class D (baseball)|Class D]] ||1914–1915
|Arkansas, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Ohio, Oklahoma, Michigan, Minnesota, Missouri, Nebraska, Texas, West Virginia
|Class D
Class C
| 1920–1932
|
|-
|-
!scope="row"|[[Midwest League]]
|Western Canada League
| [[Illinois]], [[Indiana]], [[Iowa]], [[Kentucky]], [[Michigan]], [[Ohio]], [[Wisconsin]]||[[Class D (baseball)|Class D]] {{small|(1956–1962)}}<br />[[Class A (baseball)|Class A]] {{small|(1963–2020)}} ||1956–2020
|Alberta, Manitoba, Saskatchewan
|Class C
Class B
|1919–1921
|
|-
|-
!scope="row"|[[Minnesota-Wisconsin League]]
|Western International League
|[[Minnesota]], [[Wisconsin]]||[[Class C (baseball)|Class C]] {{small|(1911)}}<br />[[Class D (baseball)|Class D]] {{small|(1909–1910, 1912)}}||1909–1912
| Washington, Alberta, British Columbia
|Class B
|1922
|
|-
|-
!scope="row"|[[Mississippi State League]]
|''Western League''
|[[Mississippi]]||[[Class D (baseball)|Class D]]||1924
|''Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, Texas, Wisconsin''
|''Class A''
|''1902–1937''
|
|-
|-
!scope="row"|[[Mississippi Valley League]]
|Wisconsin-Illinois League 
|[[Illinois]], [[Iowa]]||[[Class D (baseball)|Class D]] {{small|(1922–1932)}}<br />[[Class B (baseball)|Class B]] {{small|(1933)}}||1922–1933
|Illinois, Wisconsin
|Class D
| 1926-1927, 1932
|
|-
|-
!scope="row"|[[Mississippi-Ohio Valley League]]
|Wisconsin State League
|[[Illinois]], [[Indiana]], [[Iowa]], [[Kentucky]], [[Missouri]]||[[Class D (baseball)|Class D]]||1949–1955
|Illinois, Wisconsin
|Class D
|1922-1925, 1928-1931
|
|}
 
===1933/1934-1942===
{| class="wikitable sortable sticky-header"
!League
!State(s)
!Designation(s)
!Years
!note
|-
|-
!scope="row"|[[Missouri-Iowa-Nebraska-Kansas League]] (MINK)
|Alabama-Florida League 
|[[Iowa]], [[Kansas]], [[Missouri]], [[Nebraska]]||[[Class D (baseball)|Class D]]||1910–1913
|Alabama, Florida
|Class D
|1936&ndash;1939
|
|-
|-
!scope="row"|[[Missouri State League]]
|Alabama-Mississippi League
|[[Missouri]]||[[Independent baseball league|Independent]] {{small|(1896)}}<br />[[Class D (baseball)|Class D]] {{small|(1911)}}||1896, 1911
|Alabama, Mississippi
|Class D
|1936
|
|-
|-
!scope="row"|[[Missouri Valley League]]
|Alabama State League
|[[Arkansas]], [[Kansas]], [[Missouri]], [[Oklahoma]]||[[Independent baseball league|Independent]] {{small|(1901)}}<br /> [[Class D (baseball)|Class D]] {{small|(1902–1903)}}<br />[[Class C (baseball)|Class C]] {{small|(1904–1905)}}||1901–1905
|Alabama
|Class D
|1940–1941
|
|-
|-
!scope="row"|Monongahela League
|''American Association''
|[[Pennsylvania]]||[[Independent baseball league|Independent]]||1894
|''New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin''|| class="" D (baseball) |''Class A <br>Class AA<br>Class AAA''||''1903–1911<br>1912–1945<br>1946–1962''
|Ind（1902）
|-
|-
!scope="row"|[[Montana State League]]
|''Appalachian League''
|[[Idaho]], [[Montana]], [[Utah]]||[[Independent baseball league|Independent]]|| 1892, 1900, 1909
|''Tennessee, North Carolina, Virginia, West Virginia''
|''Class D''
|''1937–1955''
|
|-
|-
!scope="row"|[[Mountain State League]]
|Arizona-Texas League
|[[Kentucky]], [[West Virginia]]||[[Class D (baseball)|Class D]] {{small|(1936 –1941)}}<br /> [[Class C (baseball)|Class C]] {{small|(1942)}}||1936–1942
|Arizona, Texas
|Class D
Class C
|1937 –1941
|
|-
|-
!scope="row"|[[Mountain States League (1911–12)|Mountain States League I]]
|Arkansas-Missouri League
|[[Kentucky]], [[Ohio]], [[West Virginia]]||[[Class D (baseball)|Class D]]||1911–1912
|Arkansas, Missouri
|Class D
|1936–1940
|
|-
|-
!scope="row"|[[Mountain States League (1948–54)|Mountain States League II]]
|Arkansas State League
|[[Kentucky]], [[Tennessee]], [[Virginia]]||[[Class D (baseball)|Class D]] {{small|(1948–1952)}}<br /> [[Class C (baseball)|Class C]] {{small|(1953–1954)}}||1948–1954
|Arkansas, Louisiana, Missouri, Texas
| Class D
|1934–1935
|
|-
|-
!scope="row"|[[Naugatuck Valley League (baseball)|Naugatuck Valley League]]
|Bi-State League 
|[[Connecticut]]||[[Independent baseball league|Independent]]||1896
|North Carolina, Virginia
|Class D
| 1934–1942
|
|-
|-
!scope="row"|[[National Association (1879–1880)|National Association]]
|Canadian-American League
| [[Massachusetts]], [[New Hampshire]], [[New York (state)|New York]], [[Pennsylvania]], [[Washington D.C.]]||[[Independent baseball league|Independent]]||1879–1880
|New York, Ontario
|Class C
|1936–1942
|
|-
|-
!scope="row"|[[National Association of Colored Baseball Clubs of the United States and Cuba]]
|Cape Breton Colliery League
| [[Cuba]], [[New York (state)|New York]], [[Pennsylvania]]||[[Negro league baseball#Negro minor leagues|Negro minor]]||1907–1910
|Nova Scotia
|Class D
Class C
|1937–1939
|
|-
|-
!scope="row"|[[National Colored Base Ball League]]
| Coastal Plain League
| [[Kentucky]], [[Maryland]], [[Massachusetts]], [[New York (state)|New York]], [[Ohio]], [[Pennsylvania]], [[Washington D.C.]]||[[Negro league baseball#Negro minor leagues|Negro minor]]||1887
|North Carolina
|Class D
|1937–1941,
|
|-
|-
!scope="row"|[[Nebraska State League]]
|Cotton States League
|[[Iowa]], [[Kansas]], [[Nebraska]], [[South Dakota]]||[[Class B (baseball)|Class B]] {{small|(1892)}}<br /> [[Class D (baseball)|Class D]] {{small|(1910–1915, 1922–1923, 1928–1938, 1956–1959)}}||1892, 1910–1915, 1922–1923, 1928–1938, 1956–1959
|Arkansas, Louisiana, Mississippi, Texas
| Class C
|1936–1941
|
|-
|-
!scope="row"|[[Negro American Association]]
|Dixie League
| [[Georgia (U.S. state)|Georgia]], [[Maryland]], [[North Carolina]], [[Pennsylvania]], [[South Carolina]], [[Virginia]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1939, 1948–1949
|Arkansas, Louisiana, Mississippi, Texas
|Class C
|1933
|
|-
|-
!scope="row"|[[Negro National Baseball Association]]
| East Dixie League
| [[North Carolina]], [[Virginia]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1954
|Arkansas, Louisiana, Mississippi
|Class C
|1934–1935
|
|-
|-
!scope="row"|[[Negro Southeastern League]]
|East Texas League
| [[Alabama]], [[Georgia (U.S. state)|Georgia]]||[[Negro league baseball#Negro minor leagues|Negro minor]]||1921
|Texas
|Class D
Class C
|1936–1940
|
|-
|-
!scope="row"|[[Negro Southern League (1920–1936)|Negro Southern League I]]
|Eastern Shore League
| [[Alabama]], [[Arkansas]], [[Florida]], [[Georgia (U.S. state)|Georgia]], [[Kentucky]], [[Louisiana]], [[Ohio]], [[Tennessee]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1920–1931, 1933–1936
| Delaware, Maryland, Virginia
|Class D
|1937–1941
|
|-
|-
!scope="row"|[[Negro Southern League (1945–1951)|Negro Southern League II]]
|Evangeline Baseball League
| [[Alabama]], [[Arkansas]], [[Florida]], [[Georgia (U.S. state)|Georgia]], [[Indiana]], [[North Carolina]], [[Tennessee]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1945–1951
|Louisiana, Mississippi, Texas
|Class D
Class C
|1934-1942
|
|-
|-
!scope="row"|[[Negro Texas League]]
|Florida East Coast League 
|[[Alabama]], [[Arkansas]], [[Louisiana]], [[Texas]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1949
|Florida
|Class D
|1940–1942
|
|-
|-
!scope="row"|[[Nevada State League]]
|Georgia-Florida League 
| [[Nevada]]||[[Independent baseball league|Independent]]||1907
|Georgia,
|Class D
|1935–1942
|
|-
|-
!scope="row"|[[New Brunswick-Maine League]]
|Illinois-Indiana-Iowa League (Three-I)
|[[Maine]], [[New Brunswick]]||[[Class D (baseball)|Class D]]||1913
|Illinois, Indiana, Iowa, Minnesota, Wisconsin
|Class B
|1935, 1937–1942
|
|-
|-
!scope="row"|[[New California League]]
|Kentucky-Illinois-Tennessee League (KITTY)
| [[California]]||[[Independent baseball league|Independent]]||1881
| Illinois, Indiana, Kentucky, Tennessee
|Class D
|1933–1942
|
|-
|-
!scope="row"|[[New England Association]]
|Michigan State League
| [[Massachusetts]], [[New Hampshire]], [[Rhode Island]]||[[Independent baseball league|Independent]]||1877, 1895
|Michigan
|Class C
|1940–1941
|
|-
|-
!scope="row"|[[New England League]]
|Mountain State League
|[[Connecticut]], [[Massachusetts]], [[Maine]], [[New Hampshire]], [[Rhode Island]]||[[Independent baseball league|Independent]] {{small|(1877, 1886–1888, 1891, 1893, 1894–1898, 1901)}}<br />[[Class F (baseball)|Class F]] {{small|(1899)}}<br />[[Class B (baseball)|Class B]] {{small|(1892, 1902–1915, 1919, 1926–1930, 1933, 1946–1949)}}||1877, 1886–1888, 1891–1899, 1901–1915, 1919, 1926–1930, 1933, 1946–1949
|Kentucky, West Virginia
|Class D
Class C
|1937–1942
|
|-
|-
!scope="row"|[[New Hampshire State League]]
|''Nebraska State League''
|[[New Hampshire]], [[New York (state)|New York]], [[Vermont]]||[[Independent baseball league|Independent]] {{small|(1885–1886, 1895)}}<br />[[Class D (baseball)|Class D]] {{small|(1907)}}||1885–1886, 1895, 1907
|''Iowa, Kansas, Nebraska, South Dakota''
|''Class D''
|''1928–1938''
|
|-
|-
!scope="row"|[[New Jersey State League]]
|''New York–Pennsylvania League''
|[[New Jersey]]||[[Class D (baseball)|Class D]]||1897
| ''New York, Pennsylvania''
|''Class BClass A''
|''1923–1937''
|
|-
|-
!scope="row"|[[New Pacific League]]
|''New York-Penn League''
|[[British Columbia]], [[Oregon]], [[Washington (state)|Washington]]||[[Class C (baseball)|Class C]] ||1896
|''New York, Ohio, Ontario, Pennsylvania, Vermont, West Virginia''
|''Class A''
|''1939–2020''
|
|-
|-
!scope="row"|[[New York-New Jersey League]]
|''North Carolina State League''
|[[Connecticut]], [[New Jersey]], [[New York (state)|New York]]||[[Class D (baseball)|Class D]]||1913
|''North Carolina''
|''Class D''
|''1937–1942''
|
|-
|-
!scope="row"|[[New York-Pennsylvania League (1923–37)|New York–Pennsylvania League]]
|Northeast Arkansas League
|[[New York (state)|New York]], [[Pennsylvania]] ||[[Class D (baseball)|Class D]] {{small|(1923–1932)}}<br /> [[Class A (baseball)|Class A]] {{small|(1933–1937)}}||1923–1937
|Arkansas
|Class D
|1936–1941
|
|-
|-
!scope="row"|[[New York-Penn League]]
|Northeastern League
|[[Connecticut]], [[Maryland]], [[Massachusetts]], [[New York (state)|New York]], [[Ohio]], [[Ontario]], [[Pennsylvania]], [[Vermont]], [[West Virginia]] ||[[Class A (baseball)|Class A]] ||1939–2020
| New York, Vermont
| Class B
| 1934
|
|-
|-
!scope="row"|[[New York State League (1885–1917)|New York State League]]
|Northern League
|[[New York (state)|New York]], [[Pennsylvania]]||[[Independent baseball league|Independent]] {{small|(1885, 1889–1890, 1898)}}<br />[[Class B (baseball)|Class B]] {{small|(1894–1895, 1902–1917)}}<br />[[Class D (baseball)|Class D]] {{small|(1897, 1899–1901 )}} ||1885, 1894–1895, 1897–1917
|Manitoba, Michigan, Minnesota, North Dakota, Ontario, South Dakota, Wisconsin
|Class D
Class C
|1933–1942
|
|-
|-
!scope="row"|[[North Atlantic League]]
|Ohio State League
|[[Massachusetts]], [[New Hampshire]], [[New Jersey]], [[New York (state)|New York]], [[Ontario]], [[Pennsylvania]] ||[[Class D (baseball)|Class D]] {{small|(1946–1950)}}<br /> [[Independent baseball league|Independent]] {{small|(1995–1996)}}||1946–1950, 1995–1996
|Indiana, Kentucky, Michigan, Ohio, West Virginia
|Class D
|1936–1941
|
|-
|-
!scope="row"|[[North Carolina State League]]
|''Pennsylvania-Ontario-New York League (PONY)''
|[[North Carolina]]||[[Class D (baseball)|Class D]]||1913–1917, 1937–1953
|''New York''
|''Class D''
| ''1939–1956''
|
|-
|-
!scope="row"|[[North Dakota League]]
|Pennsylvania State Association
|[[North Dakota]]||[[Class D (baseball)|Class D]]||1923
|Pennsylvania
| Class D
|1934–1942
|
|-
|-
!scope="row"|[[North Texas League]]
|''Piedmont League''
|[[Arkansas]], [[Texas]]||[[Class D (baseball)|Class D]]||1905, 1907
|''Maryland, North Carolina, Pennsylvania, South Carolina, Virginia''
|''Class DClass CClass B''
|''1921–1955''
|
|-
|-
!scope="row"|[[Northeast Arkansas League]]
|Southeastern League
|[[Arkansas]]||[[Class D (baseball)|Class D]]||1909–1911, 1936–1941
|Georgia, Louisiana, North Carolina, Tennessee
| Class B
|1937–1942
|
|-
|-
!scope="row"|[[Northeast League]]
|Tar Heel League
|[[Maine]], [[Massachusetts]], [[New Jersey]], [[Pennsylvania]], [[Rhode Island]]||[[Independent baseball league|Independent]]||1995–1998, 2003–2004
|North Carolina
|Class D
|1939–1940
|
|-
|-
!scope="row"|[[Northeastern League]]
|Texas Valley League 
|[[Connecticut]], [[Massachusetts]], [[New Hampshire]], [[New York (state)|New York]], [[Vermont]]||[[Independent baseball league|Independent]] {{small|(1887, 1895–1896)}}<br />[[Class B (baseball)|Class B]] {{small|(1934)}}||1887, 1895–1896, 1934
|Texas
|Class D
|1938
|
|-
|-
!scope="row"|[[Northern-Copper Country League]]
|Virginia League
|[[Manitoba]], [[Michigan]], [[Minnesota]], [[North Dakota]]||[[Class C (baseball)|Class C]] {{small|(1906)}}<br /> [[Class D (baseball)|Class D]] {{small|(1907)}}||1906–1907
|Virginia
|Class D
|1939–1942
|
|-
|-
!scope="row"|[[Northern Copper Country-Soo League]]
|West Dixie League 
|[[Manitoba]], [[Michigan]], [[Minnesota]], [[North Dakota]]|| [[Class D (baseball)|Class D]] ||1905
|Louisiana, Texas
|Class C
|1934–1935
|
|-
|-
!scope="row"|[[Northern League (baseball, 1902–71)|Northern League]]
|West Texas-New Mexico League
|[[Manitoba]], [[Michigan]], [[Minnesota]], [[North Dakota]], [[Ontario]], [[South Dakota]], [[Wisconsin]]||[[Class D (baseball)|Class D]] {{small|(1902–1905, 1908, 1917, 1933–1940)}}<br /> [[Class C (baseball)|Class C]] {{small|1941 –1942, 1946–1962)}}<br />[[Class A (baseball)|Class A]] {{small|(1963–1971)}}||1902–1905, 1908, 1913–1917, 1932–1942, 1932–1942, 1946–1971
|New Mexico, Texas
|Class D
|1937 –1942
|
|-
|-
!scope="row"|[[Northern Maine League]]
|Western Association
|[[Maine]]||[[Class D (baseball)|Class D]]||1909
|Arkansas, Kansas,  Oklahoma,, Missouri
|Class D
Class C
|1934–1942
|
|-
|-
!scope="row"|Northern Michigan League
|Western International League
|[[Michigan]]||[[Independent baseball league|Independent]]||1887, 1895
|Washington, Alberta, British Columbia
|Class B
|1937–1942
|
|-
|-
!scope="row"|[[Northern New York League]]
|''Western League''
|[[New York (state)|New York]], [[Vermont]]||[[Class D (baseball)|Class D]] {{small|(1902)}}<br /> [[Independent baseball league|Independent]] {{small|(1900–1901, 1903–1905)}}||1900–1905
|''Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, Texas, Wisconsin''
|''Class A''
|''1902 –1937''
|
|-
|-
!scope="row"|[[Northern State of Indiana League]]
|Western League
|[[Indiana]]||[[Class D (baseball)|Class D]]||1909–1911
|Colorado, Iowa, Minnesota, Nebraska, South Dakota, Wyoming
|Class D
|1939–1941
|
|-
|-
!scope="row"|[[Northern Utah League]]
| Wisconsin State League 
|[[Idaho]], [[Utah]]||[[Class D (baseball)|Class D]]||1921
|Illinois, Wisconsin
|-
|Class D
!scope="row"|[[Northwest International League]]
|1940-1942
|[[British Columbia]], [[Washington (state)|Washington]]||[[Class B (baseball)|Class B]] ||1919
|
|-
|}
!scope="row"|[[Northwestern League|Northwestern League I]]
 
|[[Illinois]], [[Indiana]], [[Iowa]], [[Michigan]], [[Minnesota]], [[Ohio]], [[Wisconsin]]||[[Independent baseball league|Independent]] ||1883–1884, 1886–1887
===1943/1944/1945-1962 ===
|-
{| class="wikitable sortable sticky-header"
!scope="row"|[[Northwestern League (1905–1917)|Northwestern League II]]
!League
|[[British Columbia]], [[Montana]], [[Oregon]], [[Washington (state)|Washington]]||[[Class B (baseball)|Class B]]  ||1905–1917
!State(s)
|-
!Designation(s)
!scope="row"|[[Oahu League]]
!Years
|[[Hawaii]], ||[[Independent baseball league|Independent]] ||1913
!note
|-
!scope="row"|[[Ohio State League]]
|[[Indiana]], [[Kentucky]], [[Michigan]], [[Ohio]], [[West Virginia]]||[[Independent baseball league|Independent]] {{small|(1887)}}<br />[[Class D (baseball)|Class D]] {{small|(1908–1916, 1936–1947)}} ||1887, 1908–1916, 1936–1947
|-
!scope="row"|[[Ohio-Indiana League]]
|[[Indiana]], [[Ohio]]||[[Class D (baseball)|Class D]]||1948–1951
|-
!scope="row"|[[Ohio-Pennsylvania League]]
|[[Ohio]], [[Pennsylvania]], [[West Virginia]]||[[Class C (baseball)|Class C]] {{small|(1905–1911)}}<br /> [[Class D (baseball)|Class D]] {{small|(1912)}}|| 1905–1912
|-
!scope="row"|[[Ohio Valley League]]
|[[Ohio]], ||[[Independent baseball league|Independent]] ||1890, 1912, 1949
|-
!scope="row"|[[Oklahoma State League]]
|[[Oklahoma]]||[[Class D (baseball)|Class D]]||1912, 1922–1924
|-
!scope="row"|[[Oklahoma-Arkansas-Kansas League]]
|[[Arkansas]], [[Kansas]], [[Oklahoma]]||[[Class D (baseball)|Class D]]||1907
|-
!scope="row"|[[Oklahoma-Kansas League]]
|[[Kansas]], [[Oklahoma]]||[[Class D (baseball)|Class D]]||1908
|-
!scope="row"|[[Ontario-Quebec-Vermont League]]
|[[Ontario]], [[Quebec]], [[Vermont]]||[[Class B (baseball)|Class B]]||1924
|-
!scope="row"|[[Oregon State League]]
|[[Oregon]], [[Washington (state)]]||[[Class D (baseball)|Class D]]||1904
|-
!scope="row"|[[Pacific Coast International League]]
|[[British Columbia]], [[Washington (state)|Washington]]||[[Class B (baseball)|Class B]]||1918–1922
|-
!scope="row"|[[Pacific Interstate League]]
|[[Oregon]], [[Washington (state)|Washington]]||[[Independent baseball league|Independent]] ||1891
|-
!scope="row"|Pacific League
|[[California]]||[[Independent baseball league|Independent]] ||1878-1880
|-
!scope="row"|[[Pacific National League]]
|[[California]], [[Idaho]], [[Montana]], [[Oregon]], [[Utah]], [[Washington (state)|Washington]]||[[Class A (baseball)|Class A]] {{small|(1903)}}<br />[[Class B (baseball)|Class B]] {{small|(1904)}}<br />[[Independent baseball league|Independent]] {{small|(1905)}}||1903–1905
|-
!scope="row"|[[Pacific Northwest League]]
|[[British Columbia]], [[Montana]], [[Oregon]], [[Utah]], [[Washington (state)|Washington]]||[[Independent baseball league|Independent]] {{small|(1890–1892, 1896, 1898, 1901)}}<br>[[Class B (baseball)|Class B]] {{small|(1902)}}||1890–1892, 1896, 1898, 1901–1902
|-
!scope="row"|[[Palmetto League]]
|[[Georgia (U.S. state)|Georgia]], [[South Carolina]]||[[Class D (baseball)|Class D]]||1931
|-
!scope="row"|Pan American Association
|Unknown||[[Independent baseball league|Independent]] ||1960
|-
!scope="row"|[[Panhandle-Pecos Valley League]]
|[[New Mexico]], [[Texas]]||[[Class D (baseball)|Class D]]||1923
|-
!scope="row"|[[Peninsula Winter League]]
|[[California]]||[[Rookie-level|Rookie]]||1959–1968
|-
!scope="row"|[[Pennsylvania League]]
|[[Pennsylvania]]||[[Independent baseball league|Independent]]||1903–1904
|-
!scope="row"|[[Pennsylvania-Ohio-Maryland League]] (POW)
|[[Maryland]], [[Ohio]], [[Pennsylvania]], [[West Virginia]]||[[Class D (baseball)|Class D]]|| 1908–1914
|-
!scope="row"|[[Pennsylvania-Ontario-New York League]] (PONY)
|[[Ontario]], [[Pennsylvania]], [[New York (state)|New York]]||[[Class D (baseball)|Class D]]|| 1939–1956
|-
!scope="row"|[[Pennsylvania-New Jersey League]]
|[[New Jersey]], [[Pennsylvania]]||[[Independent baseball league|Independent]]||1908
|-
!scope="row"|[[Pennsylvania State Association]]
|[[Pennsylvania]]||[[Class D (baseball)|Class D]]||1934–1942
|-
!scope="row"|[[Pennsylvania State League]]
|[[Pennsylvania]]||[[Independent baseball league|Independent]]||1892–1895
|-
!scope="row"|[[Pennsylvania-West Virginia League]]
|[[Pennsylvania]], [[West Virginia]]||[[Class D (baseball)|Class D]]|| 1906–1907
|-
!scope="row"|Pennyrile League
|[[Kentucky]]||[[Independent baseball league|Independent]]||1896
|-
!scope="row"|[[Piedmont League]]
|[[Maryland]], [[North Carolina]], [[Pennsylvania]], [[South Carolina]], [[Virginia]]||[[Class D (baseball)|Class D]] {{small|(1920)}}<br />[[Class C (baseball)|Class C]] {{small|(1921–1931)}}<br />[[Class B (baseball)|Class B]] {{small|(1932–1955)}}|| 1921–1955
|-
!scope="row"|[[Potomac League]]
|[[Maryland]], [[West Virginia]]||[[Class D (baseball)|Class D]]|| 1916
|-
!scope="row"|[[Prairie League]]
|[[Manitoba]], [[Minnesota]], [[North Dakota]], [[Saskatchewan]], [[South Dakota]], [[Wisconsin]]||[[Independent baseball league|Independent]]|| 1995–1997
|-
!scope="row"|[[Provincial League (baseball)|Provincial League]]
|[[Quebec]], [[Vermont]]||[[Independent baseball league|Independent]] {{small|(1900, 1948–1949)}}<br />[[Class C (baseball)|Class C]] {{small|(1950–1955)}}|| 1900, 1948–1955
|-
!scope="row"|[[Rio Grande Association]]
|[[Arizona]], [[New Mexico]], [[Texas]]||[[Class D (baseball)|Class D]]|| 1915
|-
!scope="row"|[[Rio Grande Valley League]]
|[[Texas]]||[[Class D (baseball)|Class D]] {{small|(1931, 1949)}}<br />[[Class C (baseball)|Class C]] {{small|(1950)}}||1931, 1949–1950
|-
!scope="row"|[[Rocky Mountain League]]
|[[Colorado]], [[New Mexico]], [[Wyoming]]||[[Class D (baseball)|Class D]]|| 1912
|-
!scope="row"|[[San Francisco City League]]
|[[California]]||[[Independent baseball league|Independent]]||1896
|-
!scope="row"|[[San Joaquin Valley League]]
|[[California]]||[[Class D (baseball)|Class D]] {{small|(1910)}}<br />[[Independent baseball league|Independent]] {{small|(1911)}}||1910–1911
|-
!scope="row"|[[Sarasota Rookie League]]
|[[Florida]]||[[Rookie-level|Rookie]]||1964
|-
!scope="row"|[[Sooner State League]]
|[[Oklahoma]], [[Texas]]||[[Class D (baseball)|Class D]]||1947–1957
|-
!scope="row"|[[Sophomore League]]
|[[New Mexico]], [[Texas]]||[[Class D (baseball)|Class D]]||1958–1961
|-
!scope="row"|[[South Carolina League]]
|[[South Carolina]]||[[Class D (baseball)|Class D]]||1906–1908
|-
!scope="row"|[[South Central League]]
|[[Arkansas]], [[Oklahoma]]||[[Class D (baseball)|Class D]]||1906, 1912
|-
!scope="row"|[[South Coast League]]
|[[Georgia (U.S. state)|Georgia]], [[Florida]], [[South Carolina]]||[[Independent baseball league|Independent]]||2007
|-
!scope="row"|[[South Dakota League]]
|[[Minnesota]], [[North Dakota]], [[South Dakota]]||[[Class D (baseball)|Class D]]||1920–1923
|-
!scope="row"|[[South New Jersey League]]
|[[New Jersey]]||[[Independent baseball league|Independent]] {{small|(1895, 1897)}}<br />[[Class D (baseball)|Class D]] {{small|(1896)}}||1895–1897
|-
!scope="row"|[[South Texas League]]
|[[Texas]]||[[Class C (baseball)|Class C]]||1903–1906
|-
!scope="row"|[[Southeastern League]]
|[[Alabama]], [[Florida]], [[Georgia (U.S. state)|Georgia]], [[Louisiana]], [[North Carolina]], [[Tennessee]]||[[Class D (baseball)|Class D]] {{small|(1910–1912)}}<br />[[Class B (baseball)|Class B]] {{small|(1926–1950)}}<br />[[Independent baseball league|Independent]] {{small|(2002–2003)}}||1910–1912, 1926–1950, 2002–2003
|-
!scope="row"|[[Southern Association]]
|[[Alabama]], [[Arkansas]], [[Georgia (U.S. state)|Georgia]], [[Louisiana]], [[Tennessee]]||[[Class B (baseball)|Class B]] {{small|(1886, 1892–1896, 1898, 1901)}}<br />[[Class C (baseball)|Class C]] {{small|(1899)}}<br />[[Class A (baseball)|Class A]] {{small|(1902–1945)}}<br />[[Class AA (baseball)|Class AA]] {{small|(1946–1961)}}||1886, 1892–1896, 1898–1899, 1901–1961
|-
!scope="row"|[[Southern California League]]
|[[California]]||[[Class D (baseball)|Class D]]||1913
|-
!scope="row"|[[Southern California Trolley League]]
|[[California]]||[[Class D (baseball)|Class D]]||1910
|-
!scope="row"|Southern California Winter League
|[[California]]||Winter||1914, 1957
|-
!scope="row"|[[Southern Illinois League]]
|[[Illinois]]||[[Independent baseball league|Independent]] {{small|(1895–1896)}}<br />[[Class D (baseball)|Class D]] {{small|(1910)}}||1895–1896, 1910
|-
!scope="row"|[[Southern League of Colored Base Ballists]]
|[[Alabama]], [[Florida]], [[Georgia (U.S. state)|Georgia]], [[Louisiana]], [[South Carolina]], [[Tennessee]]||[[Negro league baseball#Negro minor leagues|Negro minor]]||1886
|-
!scope="row"|[[Southern Michigan League]]
|[[Michigan]]||[[Class D (baseball)|Class D]] {{small|(1906–1910)}}<br />[[Class C (baseball)|Class C]] {{small|(1911–1912)}}||1906–1912
|-
!scope="row"|[[Southern New Hampshire League]]
|[[New Hampshire]]||[[Class D (baseball)|Class D]]||1907
|-
!scope="row"|[[Southern Tier League]]
|[[New York (state)|New York]], [[Pennsylvania]]||[[Independent baseball league|Independent]] ||1904–1905
|-
|-
!scope="row"|Southern Tri-State League
|Alabama-Florida League
|[[Alabama]], [[Tennessee]]||[[Independent baseball league|Independent]] ||1905
|Alabama, Florida|| class="" D (baseball) |Class D||1951;1962
|
|-
|-
!scope="row"|[[Southwest International League]]
|Alabama State League 
|[[Arizona]], [[California]], [[Mexico]], [[Nevada]], [[Texas]]||[[Class C (baseball)|Class C]]||1948–1951
|Alabama|| class="" D (baseball) |Class D||1956–1950
|
|-
|-
!scope="row"|[[Southwest Iowa League]]
|''American Association''
|[[Iowa]]||[[Class D (baseball)|Class D]]||1903
| ''New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin''
|''Class A <br>Class AA<br>Class AAA''
|''1903–1911<br>1912–1945<br>1946–1962''
|Ind（1902）
|-
|-
!scope="row"|[[Southwest Texas League]]
|''Appalachian League''
|[[Texas]]||[[Class D (baseball)|Class D]] {{small|(1910–1911)}}<br /> [[Independent baseball league|Independent]] {{small|(1936)}}||1910–1911, 1936
|''Tennessee, North Carolina, Virginia, West Virginia''
|''Class D''
|''1937–1955, 1957–1962.''
|
|-
|-
!scope="row"|[[Southwest Washington League]]
| Arizona-Mexico League
|[[Washington (state)|Washington]]||[[Class D (baseball)|Class D]]||1903–1906
 
|Arizona, Mexico
 
|Class C
|1955&ndash;1958
|
|-
|-
!scope="row"|[[Southwestern League]]
|Arizona-Texas League
|[[Arkansas]], [[Kansas]], [[Missouri]], [[Oklahoma]]||[[Independent baseball league|Independent]] {{small|(1887, 1904)}}<br /> [[Class D (baseball)|Class D]] {{small|(1921, 1924–1926)}}<br /> [[Class C (baseball)|Class C]] {{small|(1922–1923)}}||1887, 1904, 1921–1926
 
|Arizona, Texas
|Class D
Class C
|1947–1950, 1952&ndash;1954
|
|-
|-
!scope="row"|[[Southwestern Nebraska Baseball League]]
|Big State League
|[[Nebraska]]||[[Independent baseball league|Independent]] ||1903
 
|Texas
|Class B
|1947–1957
|
|-
|-
!scope="row"|[[Sunset League]]
| Blue Ridge League
|[[Arizona]], [[California]], [[Mexico]], [[Nevada]]||[[Class C (baseball)|Class C]]||1947–1950
 
|North Carolina, Virginia
|Class D
| 1946–1950
|
|-
|-
!scope="row"|[[Tar Heel League]]
| Border League
|[[North Carolina]]||[[Class D (baseball)|Class D]]||1939–1940, 1953–1954
 
|New York, Ontario, Quebec
 
|Class C
|1946–1951
|
|-
|-
!scope="row"|[[Tennessee-Alabama League]]
| Canadian-American League
|[[Alabama]], [[Tennessee]]||[[Independent baseball league|Independent]]||1903–1904
 
|New York, Ontario
|Class C
|1946–1951
|
|-
|-
!scope="row"|[[Texas Association]]
| Central Association
|[[Texas]]||[[Class C (baseball)|Class C]] {{small|(1896)}}<br />[[Class D (baseball)|Class D]] {{small|1923–1926)}}||1896, 1923–1926
|Illinois, Iowa, Missouri
|Class C
| 1947–1949
|
|-
|-
!scope="row"|[[Texas Colored League]]
| Central League
|[[Louisiana]], [[Oklahoma]], [[Texas]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1919–1921, 1923–1926
 
|Indiana, Michigan, Ohio, West Virginia
|Class A
| 1948–1951
|
|-
|-
!scope="row"|[[Texas Colored League|Texas-Louisiana Negro League]]
| Central Mexican League
|[[Louisiana]], [[Texas]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1930–1931
 
|Mexico
|Class C
|1955–1957
|
|-
|-
!scope="row"|[[Texas Colored League|Texas–Oklahoma–Louisiana League]]
| Coastal Plain League
|[[Louisiana]], [[Oklahoma]], [[Texas]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1929
 
|North Carolina
|Class D
| 1946–1952
|
|-
|-
!scope="row"|[[Texas-Oklahoma League]]
| Colonial League
|[[Oklahoma]], [[Texas]]||[[Class D (baseball)|Class D]]||1911–1914, 1921–1922
 
|New York
| Class B
|1947–1950
|
|-
|-
!scope="row"|[[Texas-Southern League]]
| Cotton States League
|[[Louisiana]], [[Texas]]||[[Class B (baseball)|Class B]] {{small|(1895)}}<br />[[Class C (baseball)|Class C]] {{small|(1896–1899)}}||1895–1899
 
|Arkansas, Louisiana, Mississippi, Texas
|Class C
|1947–1955
|
|-
|-
!scope="row"|[[Texas Valley League]]
| East Texas League
|[[Texas]]||[[Independent baseball league|Independent]] {{small|(1901–1908)}}<br />[[Class D (baseball)|Class D]] {{small|( 1927–1928, 1938)}}||1901–1908, 1927–1928, 1938
 
|Texas 
|Class C
|1946, 1949–1950
|
|-
|-
!scope="row"|[[Tidewater League]]
|Eastern Shore League
|[[North Carolina]], [[Virginia]]||[[Class D (baseball)|Class D]]||1911
 
|Delaware, Maryland, Virginia
|Class D
| 1946–1949
|
|-
|-
!scope="row"|[[Tobacco State League]]
| Evangeline Baseball League
|[[North Carolina]]||[[Class D (baseball)|Class D]]||1946–1950
 
|Louisiana, Mississippi, Texas
|Class D 
Class C
|1946–1957
|
|-
|-
!scope="row"|[[Tri State League]]
| Far West League
| [[Alabama]], [[Florida]], [[Louisiana]], [[Mississippi]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1935
 
|California, Oregon, Nevada
 
|Class D
|1948–1951
|
|-
|-
!scope="row"|[[Tri-State League]]
| Florida International League 
|[[Arkansas]], [[Delaware]], [[Illinois]], [[Indiana]], [[Iowa]], [[Kentucky]], [[Mississippi]], [[Nebraska]], [[New Jersey]], [[North Carolina]], [[Ohio]], [[Pennsylvania]], [[South Carolina]], [[South Dakota]], [[Tennessee]], [[West Virginia]], [[Wisconsin]]||[[Independent baseball league|Independent]] {{small|(1887–1890, 1895, 1904–1906, 1938–1939)}}<br />[[Class B (baseball)|Class B]] {{small|(1907–1914, 1946 –1955)}}<br />[[Class D (baseball)|Class D]] {{small|(1924–1926)}}||1887–1890, 1895, 1904–1914, 1924–1926, 1938–1939, 1946–1955
 
|Cuba, Florida
|Class C
Class B
|1946 –1954
|
|-
|-
!scope="row"|[[Twin Ports League]]
| Georgia State League
|[[Minnesota]], [[Wisconsin]]||[[Class E (baseball)|Class E]]||1943
 
|Georgia
|Class D
|1948–1956
|
|-
|-
!scope="row"|[[Twin States League]]
| Georgia-Alabama League
|[[New Hampshire]], [[Vermont]]||[[Class D (baseball)|Class D]]||1911
 
|Georgia
|Class D
|1946–1951
|
|-
|-
!scope="row"|[[Union Association (minor league)|Union Association]]
| Georgia-Florida League
|[[Idaho]], [[Montana]], [[Utah]]||[[Class D (baseball)|Class D]]||1911–1914
 
|Georgia,
| Class D 
Class A
|1946–1958, 1962–1963
|
|-
|-
!scope="row"|[[Union Professional League]]
|Illinois-Indiana-Iowa League (Three-I)
|[[Delaware]], [[Maryland]], [[New Jersey]], [[New York (state)|New York]], [[Pennsylvania]], [[Washington D.C.]]||[[Independent baseball league|Independent]]||1908
|Illinois, Indiana, Iowa, Minnesota, Wisconsin
|Class D 
Class B
|1946–1961
|
|-
|-
!scope="row"|[[United States Baseball League]]
| Illinois State League
|[[Illinois]], [[New York (state)|New York]], [[Ohio]], [[Pennsylvania]], [[Virginia]], [[Washington D.C.]]||[[Independent baseball league|Independent]]||1900, 1912–1913
 
|Illinois
| Class D
|1947–1948
|
|-
|-
!scope="row"|[[United States League]]
| Kansas-Oklahoma-Missouri League (KOM)
| [[Illinois]], [[Massachusetts]], [[Michigan]], [[Missouri]], [[New Jersey]], [[New York (state)|New York]], [[Ohio]], [[Pennsylvania]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1945–1946
|Kansas, Missouri, Oklahoma
|Class D
| 1946–1952
|
|-
|-
!scope="row"|[[Upper Peninsula League]]
| Kentucky-Illinois-Tennessee League (KITTY)
|[[Michigan]], [[Wisconsin]]||[[Independent baseball league|Independent]]||1888, 1890–1891, 1895
|Illinois, Indiana, Kentucky, Tennessee
|Class D
|1946–1955
|
|-
|-
!scope="row"|[[Utah-Idaho League]]
| Lone Star League
|[[Idaho]], [[Utah]]||[[Class C (baseball)|Class C]]||1926–1928
 
|Texas
|Class C
|1947–1949
|
|-
|-
!scope="row"|[[Utah State League]]
| Longhorn League
|[[Utah]]||[[Independent baseball league|Independent]]||1902
 
|Texas
|Class C
|1947–1955
|
|-
|-
!scope="row"|[[Vermont State League]]
| Middle Atlantic League
|[[New York (state)|New York]], [[Vermont]]||[[Independent baseball league|Independent]]||1907
 
|New York, Pennsylvania, West Virginia
|Class C
| 1946–1951
|
|-
|-
!scope="row"|[[Virginia League]]
| Midwest League
|[[North Carolina]], [[Virginia]]||[[Class C (baseball)|Class C]] {{small|(1906–1919)}}<br /> [[Class B (baseball)|Class B]] {{small|(1920–1928)}}||1906–1928
 
|Illinois, Indiana, Iowa, Kentucky, Michigan, Ohio, Wisconsin
|Class D
|1956–1962
|
|-
|-
!scope="row"|[[Virginia League (1894–96)|Virginia League I]]
| Mississippi-Ohio Valley League
|[[Virginia]]||[[Independent baseball league|Independent]] {{small|(1894)}}<br />[[Class B (baseball)|Class B]] {{small|(1895–1896)}}||1894–1896
 
|Illinois, Indiana, Iowa, Kentucky, Missouri
|Class D
| 1949–1955
|
|-
|-
!scope="row"|[[Virginia League (1900)|Virginia League II]]
| Mountain States League
|[[Virginia]]||[[Class D (baseball)|Class D]]||1900
 
|Kentucky, Tennessee, Virginia
|Class D 
Class C
|1948–1954
|
|-
|-
!scope="row"|[[Virginia League (1939–42)|Virginia League III]]
| Nebraska State League
|[[Virginia]]||[[Class D (baseball)|Class D]]||1939–1942
 
|Iowa, Kansas, Nebraska, South Dakota
 
|Class B
Class D
|1956–1959
|
|-
|-
!scope="row"|[[Virginia League (1948–51)|Virginia League IV]]
| New England League
|[[North Carolina]], [[Virginia]]||[[Class D (baseball)|Class D]]||1948–1951
 
|Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island
 
|Class B
|1946–1949
|
|-
|-
!scope="row"|[[Virginia Mountain League]]
| New York-Penn League
|[[Virginia]]||[[Independent baseball league|Independent]] {{small|(1912}}<br />[[Class D (baseball)|Class D]] {{small|(1914)}}||1912, 1914
 
| New York, Ohio, Ontario, Pennsylvania, Vermont, West Virginia
|Class A
| 1939–1962
|
|-
|-
!scope="row"|[[Virginia-North Carolina League]]
| North Atlantic League
|[[North Carolina]], [[Virginia]]||[[Class C (baseball)|Class C]] {{small|(1901)}}<br />[[Class D (baseball)|Class D]] {{small|(1905)}} ||1901, 1905
 
|New York, Ontario, Pennsylvania
|Class D
|1946–1950
|
|-
|-
!scope="row"|[[Virginia Valley League]]
| North Carolina State League
|[[Kentucky]], [[Oregon]], [[West Virginia]]||[[Class D (baseball)|Class D]]||1910
 
|North Carolina
|Class D
| 1945-1952
|
|-
|-
!scope="row"|[[Washington State League]]
|Northern League
|[[Washington (state)|Washington]]||[[Class D (baseball)|Class D]]||1910–1912
 
|Manitoba, Michigan, Minnesota, North Dakota, Ontario, South Dakota, Wisconsin
| Class D
Class C
Class A
| 1946–1971
|
|-
|-
!scope="row"|[[West Coast Negro Baseball Association]]
| Ohio State League
| [[California]], [[Oregon]], [[Washington (state)|Washington]]||[[Negro league baseball#Minor Negro leagues|Negro minor]]||1946
 
|Indiana, Kentucky, Michigan, Ohio, West Virginia
|Class D
| 1944–1947
|
|-
|-
!scope="row"|[[West Dixie League]]
| Ohio-Indiana League
|[[Louisiana]], [[Texas]]||[[Class C (baseball)|Class C]]||1934–1935
 
|Indiana, Ohio
|Class D
|1948–1951
|
|-
|-
!scope="row"|[[West Michigan League]]
| Pennsylvania-Ontario-New York League (PONY)
|[[Michigan]]||[[Class D (baseball)|Class D]]||1915
 
|New York
| Class D
|1939–1956
|
|-
|-
!scope="row"|[[West Texas League]]
| Pennsylvania State Association
|[[Texas]]||[[Class D (baseball)|Class D]]||1920–1922, 1928–1929
| Pennsylvania
|Class D
|1934–1942
|
|-
|-
!scope="row"|[[West Texas-New Mexico League]]
|''Piedmont League''
|[[New Mexico]], [[Texas]]||[[Class D (baseball)|Class D]] {{small|(1937–1942)}}<br /> [[Class C (baseball)|Class C]] {{small|(1946–1954)}}<br /> [[Class B (baseball)|Class B]] {{small|(1955)}}||1937–1942, 1946–1955
|''Maryland, North Carolina, Pennsylvania, South Carolina, Virginia''
|''Class DClass CClass B''
|''1921–1955''
|
|-
|-
!scope="row"|[[West Virginia League]]
|Provincial League
|[[West Virginia]]||[[Class D (baseball)|Class D]]||1910
 
|Quebec, Vermont
|Class C
|1950–1955
|
|-
|-
!scope="row"|[[Western Arkansas League]]
| Rio Grande Valley League 
|[[Arkansas]]|| [[Class D (baseball)|Class D]] (1924) ||1924
 
|Texas
|Class D 
Class C
|1949–1950
|
|-
|-
!scope="row"|[[Western Association]]
| Sooner State League
|[[Arkansas]], [[Colorado]], [[Illinois]], [[Indiana]], [[Iowa]], [[Kansas]], [[Kentucky]], [[Ohio]], [[Oklahoma]], [[Michigan]], [[Minnesota]], [[Missouri]], [[Nebraska]], [[Texas]], [[West Virginia]] ||[[Independent baseball league|Independent]] {{small|(1888–1891, 1893, 1894–1899)}}<br />[[Class D (baseball)|Class D]] {{small|(1911, 1914–1917, 1920–1921)}}<br />[[Class C (baseball)|Class C]] {{small|(1905–1910, 1922–1932, 1934–1954)}}||1888–1891, 1893, 1894–1899, 1901, 1905–1911, 1914–1917, 1920–1932, 1934–1954
 
|Oklahoma, Texas
|Class D
|1947–1957
|
|-
|-
!scope="row"|[[Western Baseball League]]
| Sophomore League
|[[Arizona]], [[California]], [[Oregon]], [[Nevada]], [[Utah]] ||[[Independent baseball league|Independent]] ||1994–2002
 
|New Mexico, Texas
|Class D
|1958–1961
|
|-
|-
!scope="row"|[[Western Canada League]]
| Southeastern League
|[[Alberta]], [[Manitoba]], [[Saskatchewan]]||[[Class D (baseball)|Class D]] {{small|(1907, 1910–1914)}}<br />[[Class C (baseball)|Class C]] {{small|(1919)}}<br />[[Class B (baseball)|Class B]] {{small|(1920–1921)}}<br />[[Independent baseball league|Independent]] {{small|(1951–1961)}}||1907, 1910–1914, 1919–1921, 1951–1961
 
|Georgia, Louisiana, North Carolina, Tennessee
|Class D
Class B
|1926–1950
|
|-
|-
!scope="row"|[[Western Carolina League]]
| Southwest International League 
|[[North Carolina]]||[[Class D (baseball)|Class D]]||1948–1952, 1960–1962
 
|Arizona, California, Mexico, Nevada, Texas
|Class C
|1948–1951
|
|-
|-
!scope="row"|[[Western Carolinas League]]
| Sunset League
|[[North Carolina]], [[South Carolina]]||[[Class D (baseball)|Class D]] {{small|(1948–1952; 1960–1962)}}<br />[[Class A (baseball)|Class A]] {{small|(1963–1979)}}||1948–1952, 1960–1979
 
|Arizona, California, Mexico, Nevada
 
|Class C
|1947–1950
|
|-
|-
!scope="row"|[[Western International League]]
| Tar Heel League
|[[Idaho]], [[Oregon]], [[Washington (state)|Washington]], [[Alberta]], [[British Columbia]] ||[[Class B (baseball)|Class B]] {{small|(1922, 1937–1942; 1946–1951)}}<br /> [[Class A (baseball)|Class A]] {{small|(1952 –1954)}}||1922, 1937–1942, 1946–1954
 
|North Carolina
|Class D
| 1953 –1954
|
|-
|-
!scope="row"|[[Western Interstate League]]
| Tobacco State League
|[[Indiana]], [[Illinois]], [[Pennsylvania]] ||[[Independent baseball league|Independent]] {{small|(1883)}}<br />[[Class B (baseball)|Class B]] {{small|(1885)}} ||1883, 1895
 
|North Carolina
|Class D
| 1946–1950
|
|-
|-
!scope="row"|[[Western League (1885–1899)|Western League I]]
| Tri-State League
|[[Colorado]], [[Indiana]], [[Iowa]], [[Kansas]], [[Minnesota]], [[Nebraska]], [[Michigan]], [[Ohio]], [[New York (state)|New York]], [[Wisconsin]]||[[Independent baseball league|Independent]]||1885–1888, 1892–1899
 
|North Carolina, Ohio, South Carolina,, Tennessee,
|Class B
Class D
|1946–1955
|
|-
|-
!scope="row"|[[Western League (1900–1958)|Western League II]]
| Twin Ports League
|[[Colorado]], [[Iowa]], [[Illinois]], [[Kansas]], [[Minnesota]], [[Missouri]], [[Nebraska]], [[New Mexico]], [[Oklahoma]], [[Texas]], [[Wisconsin]]||[[Class A (baseball)|Class A]]||1900–1937, 1947–1958
 
|Minnesota, Wisconsin
|Class E
|1943
|
|-
|-
!scope="row"|[[Western League (baseball, 1939–41)|Western League III]]
|Virginia League
|[[Colorado]], [[Iowa]], [[Minnesota]], [[Nebraska]], [[South Dakota]], [[Wyoming]]||[[Class D (baseball)|Class D]]||1939–1941
 
|North Carolina, Virginia
|Class D
| 1948–1951
|
|-
|-
!scope="row"|[[Western New York League]]
| West Texas-New Mexico League
|[[New York (state)|New York]]||[[Independent baseball league|Independent]]||1890
 
|New Mexico, Texas
|Class D
Class C
Class B
|1946–1955
|
|-
|-
!scope="row"|Western Ontario Baseball Association
|''Western Association''
|[[Ontario]]||[[Class D (baseball)|Class D]]||1905
|''Arkansas, Kansas,, Oklahoma, Missouri''
|''Class DClass C''
|''1934–1954''
|
|-
|-
!scope="row"|[[Western Pennsylvania League]]
|Western Carolina League
|[[Maryland]], [[Pennsylvania]], [[West Virginia]]||[[Class D (baseball)|Class D]]||1907
 
|North Carolina
|Class D
| 1948–1952, 1960–1962
|
|-
|-
!scope="row"|[[Western Tri-State League]]
|Western Carolinas League
|[[Idaho]], [[Oregon]], [[Washington (state)]]||[[Class D (baseball)|Class D]]||1912–1914
 
| North Carolina, South Carolina
|Class D
Class A
|1948–1952, 1960–1979
|
|-
|-
!scope="row"|[[Wisconsin-Illinois League]]
|Western International League 
|[[Illinois]], [[Wisconsin]]||[[Class D (baseball)|Class D]]||1908–1914, 1926-1927, 1932
 
|Washington, Alberta, British Columbia
|Class B
Class A
|1946–1954
|
|-
|-
!scope="row"|[[Wisconsin-Michigan League]]
| Western League
|[[Michigan]], [[Wisconsin]]||[[Independent baseball league|Independent]]||1892
 
|Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, New Mexico, Oklahoma, Texas, Wisconsin
|Class A
|1947–1958
|
|-
|-
!scope="row"|[[Wisconsin State League]]
| Wisconsin State League
|[[Illinois]], [[Wisconsin]]||[[Class D (baseball)|Class D]]||1905–1907, 1922-1925, 1928-1931, 1940-1942, 1946-1953
 
|Illinois, Wisconsin
|Class D
|1946-1953
|
|}
|}

於 2025年6月25日 (三) 11:36 的最新修訂

List（1902-1962）

1902-1917/1918

League State(s) Designation(s) Years note
American Association New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin Class A
Class AA
Class AAA 		1903–1911
1912–1945
1946–1962 		Ind（1902）
Appalachian League Tennessee, North Carolina, Virginia, West Virginia Class D 1911–1914
Arkansas-Texas League Arkansas, Texas Class D 1906
Atlantic Association Massachusetts, Maine,Rhode Island Class D 1908
Atlantic League New York Class D 1914–1915
Bi-State League Illinois, Wisconsin Class D 1915
Blue Ridge League Maryland, Pennsylvania, West Virginia Class D 1915–1918
Border League Michigan, Ontario Class D 1912–1913
Buckeye League Ohio Class D 1915
California State League California Class D 1910, 1912–1915
Carolina Association North Carolina, South Carolina Class D 1908–1912
Central Association Illinois, Iowa, Missouri, Wisconsin Class D 1908–1917
Central California League California Class D 1910–1911
Central International League Manitoba, Minnesota, North Dakota, Wisconsin Class C 1912
Central Kansas League Kansas Class D 1908–1912
Central League Illinois, Indiana, Michigan, Ohio, Pennsylvania, West Virginia Class B 1903–1917
Central Texas League Texas Class D 1914–1917
Colonial League Connecticut, Massachusetts, Rhode Island Class C 1914–1915
Connecticut Association Connecticut Class D 1910
Connecticut League Connecticut Class B
Class D 		1902–1912
Copper Country Soo League Michigan Class D 1904–1905
Cotton States League Alabama, Arkansas, Florida, Louisiana, Mississippi Class D 1902–1908,1910-1913
Delta League Mississippi Class D 1904–1905
Dixie League Georgia Class D 1916–1917
East Texas League Texas Class D 1916
Eastern Association Connecticut, Massachusetts Class B 1913–1914
Eastern Carolina League North Carolina Class D 1908–1910
Eastern Illinois League Illinois, Indiana Class D 1907–1908
Eastern Kansas League Kansas Class D 1910–1911
Eastern League New York, Pennsylvania, Rhode Island, Virginia Class B
Class A 		1916–1918
1919–1932
Empire State League Georgia Class D 1913
Florida-Alabama-Georgia League Georgia Class D 1915
Georgia State League Georgia Class D 1906, 1914
Georgia-Alabama League Georgia Class D 1913–1917
Hudson River League New York Class D
Class C 		1903–1907
Illinois-Indiana-Iowa League (Three-I) Illinois, Indiana, Iowa, Minnesota, Wisconsin Class B 1902–1917
Illinois-Missouri League Illinois, Missouri Class D 1908–1914
Indiana-Ohio League Indiana, Ohio Class D 1908
Inland Empire League Washington Class D 1908
Interstate Association Indiana, Michigan, Ohio Class C 1906
Interstate League Ohio, Pennsylvania, New Jersey, New York, West Virginia Class C
Class D 		1905–1908, 1913–1916
Iowa State League Illinois, Iowa Class D 1904–1907, 1912
Iowa-South Dakota League Iowa, South Dakota Class D 1902–1903
Kansas State League Kansas, Oklahoma Class D 1905–1906, 1909–1911, 1913–1914
Kentucky-Illinois-Tennessee League (KITTY) Illinois, Indiana, Kentucky, Tennessee Class D 1903–1906, 1910–1914, 1916
Maine State League Maine, New Hampshire Class D 1907–1908
Massachusetts-Connecticut League Connecticut, Massachusetts Class D 1912
Michigan State League Michigan Class D 1911–1914
Middle Texas League Texas Class D 1914–1915
Minnesota-Wisconsin League Minnesota, Wisconsin Class C
Class D 		1909–1912
Missouri-Iowa-Nebraska-Kansas League (MINK) Iowa, Kansas, Missouri, Nebraska Class D 1910–1913
Missouri State League Missouri Class D 1911
Missouri Valley League Arkansas, Kansas, Missouri, Oklahoma Class D
Class C 		1902–1905
Mountain States League Kentucky, Ohio, West Virginia Class D 1911–1912
Nebraska State League Iowa, Kansas, Nebraska, South Dakota Class D 1910–1915
New Brunswick-Maine League Maine, New Brunswick Class D 1913
New England League Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island Class B 1902–1915
New Hampshire State League New York, Vermont Class D 1907
New York-New Jersey League New York Class D 1913
New York State League New York, Pennsylvania Class B 1902–1917
North Carolina League North Carolina Class D 1902 Virginia–North Carolina League（1901）
North Carolina State League North Carolina Class D 1913–1917
North Texas League Arkansas, Texas Class D 1905, 1907
Northeast Arkansas League Arkansas Class D 1909–1911
Northern-Copper Country League Manitoba, Michigan, Minnesota, North Dakota Class C
Class D 		1906–1907
Northern Copper Country-Soo League Manitoba, Michigan, Minnesota, North Dakota Class D 1905
Northern League Manitoba, Minnesota, North Dakota, Wisconsin Class D 1902–1905, 1908
Northern League Manitoba, Minnesota, North Dakota, Ontario,Wisconsin Class C

Class D

1913–1916

1917

Central International League（1912）
Northern Maine League Maine Class D 1909
Northern State of Indiana League Indiana Class D 1909–1911
Northwestern League Washington Class B 1905–1917
Ohio State League Indiana, Kentucky, Michigan, Ohio, West Virginia Class D 1908–1916
Ohio-Pennsylvania League Ohio, Pennsylvania, West Virginia Class C
Class D 		1905–1912
Oklahoma State League Oklahoma Class D 1912
Oklahoma-Arkansas-Kansas League Arkansas, Kansas, Oklahoma Class D 1907
Oklahoma-Kansas League Kansas, Oklahoma Class D 1908
Oregon State League Oregon, Washington (state) Class D 1904
Pacific National League Washington Class A
Class B 		1903–1904 Pacific Northwest League（1902）
Pacific Northwest League Washington Class B 1902 Pacific National League（1903）
Pennsylvania State League Pennsylvania Class D 1902
Pennsylvania-Ohio-Maryland League (POW) Maryland, Ohio, Pennsylvania, West Virginia Class D 1908–1914
Pennsylvania-West Virginia League Pennsylvania, West Virginia Class D 1906–1907
Potomac League Maryland, West Virginia Class D 1916
Rio Grande Association Arizona, New Mexico, Texas Class D 1915
Rocky Mountain League Colorado, New Mexico, Wyoming Class D 1912
San Joaquin Valley League California Class D 1910
South Carolina League South Carolina Class D 1906–1908
South Central League Arkansas, Oklahoma Class D 1906, 1912
South Texas League Louisiana,Texas Class C 1903–1906
Southeastern League Georgia, Louisiana, North Carolina, Tennessee Class D 1910–1912
Southern Association Georgia, Louisiana, Tennessee Class A

Class AA

1902–1961
Southern California League California Class D 1913
Southern California Trolley League California Class D 1910
Southern Illinois League Illinois Class D 1910
Southern Michigan League Michigan Class D
Class C 		1906–1912
Southern New Hampshire League New Hampshire Class D 1907
Southwest Texas League Texas Class D 1910–1911
Southwest Washington League Washington Class D 1903–1906
Texas League Arkansas, Kansas, Louisiana, Mississippi, New Mexico, Oklahoma, Texas Class D
Class C
Class D
Class C
Class B
Class A
Class A1
Class AA 		1902–1903
1904–1905
1906
1907–1910
1911–1920
1921–1935
1936–1942
1946-
Texas-Oklahoma League Oklahoma, Texas Class D 1911–1914
Tidewater League North Carolina, Virginia Class D 1911
Tri-State League Delaware, New Jersey, Pennsylvania Class B 1907–1914
Twin States League New Hampshire, Vermont Class D 1911
Union Association Idaho, Montana, Utah Class D 1911–1914
Virginia League North Carolina, Virginia Class C
Class B 		1906–1928
Virginia Mountain League Virginia Class D 1914
Virginia-North Carolina League North Carolina, Virginia Class D 1905
Virginia Valley League Kentucky, Oregon, West Virginia Class D 1910
Washington State League Washington Class D 1910–1912
West Michigan League Michigan Class D 1915
West Virginia League West Virginia Class D 1910
Western Association Arkansas, Kansas, Oklahoma,Missouri,Texas Class D
Class C 		1911, 1914–1917,
Western Canada League Alberta, Manitoba, Saskatchewan Class D 1907, 1910–1914
Western League Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, Texas, Wisconsin Class A 1902–1937
Western Ontario Baseball Association Ontario Class D 1905
Western Pennsylvania League Maryland, Pennsylvania, West Virginia Class D 1907
Western Tri-State League Idaho, Oregon, Washington (state) Class D 1912–1914
Wisconsin-Illinois League Illinois, Wisconsin Class D 1908–1914
Wisconsin State League Illinois, Wisconsin Class D 1905–1907

1918/1919-1932/1933/1934

League State(s) Designation(s) Years note
Alabama-Tennessee League Alabama, Tennessee Class D 1921
American Association New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin Class A
Class AA
Class AAA		 1903–1911
1912–1945
1946–1962 		Ind（1902）
Anthracite League Pennsylvania Class D 1928
Arizona State League Arizona Class D 1928–1930
Arizona-Texas League Arizona, Texas Class D 1931–1932
Blue Grass League Kentucky Class D 1922–1924
Blue Ridge League Maryland, Pennsylvania, West Virginia Class D 1920–1930
California State League California Class D 1928–1929
Central League Illinois, Indiana, Michigan, Ohio, Pennsylvania, West Virginia Class B 1920–1922, 1926, 1928–1930, 1932, 1934
Cotton States League Arkansas, Louisiana, Mississippi, Texas Class D 1919–1932
Dakota League North Dakota, South Dakota Class D 1921–1922
East Texas League Texas Class D

Class C

1923–1926, 1931
Eastern Canada League Ontario, Quebec Class B 1922–1923
Eastern Carolina League North Carolina Class D 1928–1929
Eastern League New York, Pennsylvania, Rhode Island, Virginia Class B
Class A 		1916–1918
1919–1932
Eastern Shore League Delaware, Maryland, Virginia Class D 1922–1928
Georgia State League Georgia Class D 1920–1921
Georgia-Alabama League Georgia Class D 1928–1930
Illinois-Indiana-Iowa League (Three-I) Illinois, Indiana, Iowa, Minnesota, Wisconsin Class D

Class B

1919–1932
Interstate League Ohio, Pennsylvania, New Jersey, New York, West Virginia Class D 1932
Indiana-Michigan League Indiana, Michigan Class D 1921
Kentucky-Illinois-Tennessee League (KITTY) Illinois, Indiana, Kentucky, Tennessee Class D 1922–1924
Lone Star League Texas Class D 1927–1929
Louisiana State Baseball League Louisiana Class D 1920
Michigan State League Michigan Class B 1926
Michigan-Ontario League Michigan, Ontario Class B 1919–1926
Middle Atlantic League New York, Pennsylvania, West Virginia Class C 1925–1942
Mississippi State League Mississippi Class D 1924
Mississippi Valley League Illinois, Iowa Class D

Class B

1922–1933
Nebraska State League Iowa, Kansas, Nebraska, South Dakota Class D 1922–1923, 1928–1938
New England League Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island Class B 1926–1930, 1933
New York–Pennsylvania League New York, Pennsylvania Class DClass A 1923–1937
North Dakota League North Dakota Class D 1923
Northern Utah League Idaho, Utah Class D 1921
Northwest International League Washington Class B 1919
Oklahoma State League Oklahoma Class D 1922–1924
Ontario-Quebec-Vermont League Ontario, Quebec, Vermont Class B 1924
Pacific Coast International League Washington Class B 1918–1922
Palmetto League Georgia, South Carolina Class D 1931
Panhandle-Pecos Valley League New Mexico, Texas Class D 1923
Piedmont League Maryland, North Carolina, Pennsylvania, South Carolina, Virginia Class DClass CClass B 1921–1955
Rio Grande Valley League Texas Class D 1931
South Dakota League Minnesota, North Dakota, South Dakota Class D 1920–1923
Southeastern League Georgia, Louisiana, North Carolina, Tennessee Class B 1926–1930, 1932
Southern Association Georgia, Louisiana, Tennessee Class A

Class AA

1902–1961
Southwestern League Arkansas, Kansas, Missouri, Oklahoma Class D

Class C

1921–1926
Texas Association Texas Class C 1923–1926
Texas-Oklahoma League Oklahoma, Texas Class D 1921–1922
Texas Valley League Texas Class D 1927–1928
Utah-Idaho League Idaho, Utah Class C 1926–1928
Virginia League North Carolina, Virginia Class C
Class B 		1906–1928
West Texas League Texas Class D 1920–1922, 1928–1929
Western Arkansas League Arkansas Class D 1924
Western Association Arkansas, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Ohio, Oklahoma, Michigan, Minnesota, Missouri, Nebraska, Texas, West Virginia Class D

Class C

1920–1932
Western Canada League Alberta, Manitoba, Saskatchewan Class C

Class B

1919–1921
Western International League Washington, Alberta, British Columbia Class B 1922
Western League Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, Texas, Wisconsin Class A 1902–1937
Wisconsin-Illinois League Illinois, Wisconsin Class D 1926-1927, 1932
Wisconsin State League Illinois, Wisconsin Class D 1922-1925, 1928-1931

1933/1934-1942

League State(s) Designation(s) Years note
Alabama-Florida League Alabama, Florida Class D 1936–1939
Alabama-Mississippi League Alabama, Mississippi Class D 1936
Alabama State League Alabama Class D 1940–1941
American Association New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin Class A
Class AA
Class AAA		 1903–1911
1912–1945
1946–1962 		Ind（1902）
Appalachian League Tennessee, North Carolina, Virginia, West Virginia Class D 1937–1955
Arizona-Texas League Arizona, Texas Class D

Class C

1937–1941
Arkansas-Missouri League Arkansas, Missouri Class D 1936–1940
Arkansas State League Arkansas, Louisiana, Missouri, Texas Class D 1934–1935
Bi-State League North Carolina, Virginia Class D 1934–1942
Canadian-American League New York, Ontario Class C 1936–1942
Cape Breton Colliery League Nova Scotia Class D

Class C

1937–1939
Coastal Plain League North Carolina Class D 1937–1941,
Cotton States League Arkansas, Louisiana, Mississippi, Texas Class C 1936–1941
Dixie League Arkansas, Louisiana, Mississippi, Texas Class C 1933
East Dixie League Arkansas, Louisiana, Mississippi Class C 1934–1935
East Texas League Texas Class D

Class C

1936–1940
Eastern Shore League Delaware, Maryland, Virginia Class D 1937–1941
Evangeline Baseball League Louisiana, Mississippi, Texas Class D

Class C

1934-1942
Florida East Coast League Florida Class D 1940–1942
Georgia-Florida League Georgia, Class D 1935–1942
Illinois-Indiana-Iowa League (Three-I) Illinois, Indiana, Iowa, Minnesota, Wisconsin Class B 1935, 1937–1942
Kentucky-Illinois-Tennessee League (KITTY) Illinois, Indiana, Kentucky, Tennessee Class D 1933–1942
Michigan State League Michigan Class C 1940–1941
Mountain State League Kentucky, West Virginia Class D

Class C

1937–1942
Nebraska State League Iowa, Kansas, Nebraska, South Dakota Class D 1928–1938
New York–Pennsylvania League New York, Pennsylvania Class BClass A 1923–1937
New York-Penn League New York, Ohio, Ontario, Pennsylvania, Vermont, West Virginia Class A 1939–2020
North Carolina State League North Carolina Class D 1937–1942
Northeast Arkansas League Arkansas Class D 1936–1941
Northeastern League New York, Vermont Class B 1934
Northern League Manitoba, Michigan, Minnesota, North Dakota, Ontario, South Dakota, Wisconsin Class D

Class C

1933–1942
Ohio State League Indiana, Kentucky, Michigan, Ohio, West Virginia Class D 1936–1941
Pennsylvania-Ontario-New York League (PONY) New York Class D 1939–1956
Pennsylvania State Association Pennsylvania Class D 1934–1942
Piedmont League Maryland, North Carolina, Pennsylvania, South Carolina, Virginia Class DClass CClass B 1921–1955
Southeastern League Georgia, Louisiana, North Carolina, Tennessee Class B 1937–1942
Tar Heel League North Carolina Class D 1939–1940
Texas Valley League Texas Class D 1938
Virginia League Virginia Class D 1939–1942
West Dixie League Louisiana, Texas Class C 1934–1935
West Texas-New Mexico League New Mexico, Texas Class D 1937–1942
Western Association Arkansas, Kansas, Oklahoma,, Missouri Class D

Class C

1934–1942
Western International League Washington, Alberta, British Columbia Class B 1937–1942
Western League Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, Texas, Wisconsin Class A 1902–1937
Western League Colorado, Iowa, Minnesota, Nebraska, South Dakota, Wyoming Class D 1939–1941
Wisconsin State League Illinois, Wisconsin Class D 1940-1942

1943/1944/1945-1962

League State(s) Designation(s) Years note
Alabama-Florida League Alabama, Florida Class D 1951;1962
Alabama State League Alabama Class D 1956–1950
American Association New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin Class A
Class AA
Class AAA 		1903–1911
1912–1945
1946–1962 		Ind（1902）
Appalachian League Tennessee, North Carolina, Virginia, West Virginia Class D 1937–1955, 1957–1962.
Arizona-Mexico League Arizona, Mexico Class C 1955–1958
Arizona-Texas League Arizona, Texas Class D

Class C

1947–1950, 1952–1954
Big State League Texas Class B 1947–1957
Blue Ridge League North Carolina, Virginia Class D 1946–1950
Border League New York, Ontario, Quebec Class C 1946–1951
Canadian-American League New York, Ontario Class C 1946–1951
Central Association Illinois, Iowa, Missouri Class C 1947–1949
Central League Indiana, Michigan, Ohio, West Virginia Class A 1948–1951
Central Mexican League Mexico Class C 1955–1957
Coastal Plain League North Carolina Class D 1946–1952
Colonial League New York Class B 1947–1950
Cotton States League Arkansas, Louisiana, Mississippi, Texas Class C 1947–1955
East Texas League Texas Class C 1946, 1949–1950
Eastern Shore League Delaware, Maryland, Virginia Class D 1946–1949
Evangeline Baseball League Louisiana, Mississippi, Texas Class D

Class C

1946–1957
Far West League California, Oregon, Nevada Class D 1948–1951
Florida International League Cuba, Florida Class C

Class B

1946–1954
Georgia State League Georgia Class D 1948–1956
Georgia-Alabama League Georgia Class D 1946–1951
Georgia-Florida League Georgia, Class D

Class A

1946–1958, 1962–1963
Illinois-Indiana-Iowa League (Three-I) Illinois, Indiana, Iowa, Minnesota, Wisconsin Class D

Class B

1946–1961
Illinois State League Illinois Class D 1947–1948
Kansas-Oklahoma-Missouri League (KOM) Kansas, Missouri, Oklahoma Class D 1946–1952
Kentucky-Illinois-Tennessee League (KITTY) Illinois, Indiana, Kentucky, Tennessee Class D 1946–1955
Lone Star League Texas Class C 1947–1949
Longhorn League Texas Class C 1947–1955
Middle Atlantic League New York, Pennsylvania, West Virginia Class C 1946–1951
Midwest League Illinois, Indiana, Iowa, Kentucky, Michigan, Ohio, Wisconsin Class D 1956–1962
Mississippi-Ohio Valley League Illinois, Indiana, Iowa, Kentucky, Missouri Class D 1949–1955
Mountain States League Kentucky, Tennessee, Virginia Class D

Class C

1948–1954
Nebraska State League Iowa, Kansas, Nebraska, South Dakota Class B

Class D

1956–1959
New England League Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island Class B 1946–1949
New York-Penn League New York, Ohio, Ontario, Pennsylvania, Vermont, West Virginia Class A 1939–1962
North Atlantic League New York, Ontario, Pennsylvania Class D 1946–1950
North Carolina State League North Carolina Class D 1945-1952
Northern League Manitoba, Michigan, Minnesota, North Dakota, Ontario, South Dakota, Wisconsin Class D

Class C Class A

1946–1971
Ohio State League Indiana, Kentucky, Michigan, Ohio, West Virginia Class D 1944–1947
Ohio-Indiana League Indiana, Ohio Class D 1948–1951
Pennsylvania-Ontario-New York League (PONY) New York Class D 1939–1956
Pennsylvania State Association Pennsylvania Class D 1934–1942
Piedmont League Maryland, North Carolina, Pennsylvania, South Carolina, Virginia Class DClass CClass B 1921–1955
Provincial League Quebec, Vermont Class C 1950–1955
Rio Grande Valley League Texas Class D

Class C

1949–1950
Sooner State League Oklahoma, Texas Class D 1947–1957
Sophomore League New Mexico, Texas Class D 1958–1961
Southeastern League Georgia, Louisiana, North Carolina, Tennessee Class D

Class B

1926–1950
Southwest International League Arizona, California, Mexico, Nevada, Texas Class C 1948–1951
Sunset League Arizona, California, Mexico, Nevada Class C 1947–1950
Tar Heel League North Carolina Class D 1953–1954
Tobacco State League North Carolina Class D 1946–1950
Tri-State League North Carolina, Ohio, South Carolina,, Tennessee, Class B

Class D

1946–1955
Twin Ports League Minnesota, Wisconsin Class E 1943
Virginia League North Carolina, Virginia Class D 1948–1951
West Texas-New Mexico League New Mexico, Texas Class D

Class C Class B

1946–1955
Western Association Arkansas, Kansas,, Oklahoma, Missouri Class DClass C 1934–1954
Western Carolina League North Carolina Class D 1948–1952, 1960–1962
Western Carolinas League North Carolina, South Carolina Class D

Class A

1948–1952, 1960–1979
Western International League Washington, Alberta, British Columbia Class B

Class A

1946–1954
Western League Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, New Mexico, Oklahoma, Texas, Wisconsin Class A 1947–1958
Wisconsin State League Illinois, Wisconsin Class D 1946-1953
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