| Postseason series |
Leagues |
Years of existence
|
|
Connecticut League, New England League |
1903, 1905–1906
|
| Little World Series |
American Association, International League |
1904, 1906–1907, 1917, 1920–1931
|
|
Iowa State League, Three-I League, Western League |
1905
|
|
South Atlantic League, Virginia League |
1906
|
|
Iowa State League, Wisconsin State League |
1907
|
|
Carolina Association, Eastern Carolina League |
1909
|
|
South Atlantic League, Southern Association |
1909, 1919
|
|
New York State League, |
1909
|
|
Eastern Kansas League, |
1910
|
|
Minnesota–Wisconsin League, Wisconsin–Illinois League |
1910
|
|
Carolina Association, Virginia League |
1911
|
|
Blue Grass League, Kentucky–Illinois–Tennessee League |
1912
|
|
American Association, Western League |
1912
|
|
Appalachian League, Virginia League |
1912
|
|
Eastern Association, New England League |
1913, 1914
|
|
Michigan State League, Southern Michigan Association |
1913
|
|
American Association, Western League |
1913, 1916
|
|
American Association, Southern Association, Western League |
1914
|
|
North Carolina State League, Virginia League |
1914–1915
|
| Junior World Series |
American Association, Pacific Coast League |
1919
|
| Dixie Series |
Southern Association, Texas League |
1920–1958
|
|
Texas–Oklahoma League, Western Association |
1921
|
|
, Michigan–Ontario League |
1921
|
|
Southwestern League, Western Association |
1921
|
|
Eastern League, International League |
1922–1925
|
|
Western League, Southern Association |
1922
|
|
South Atlantic League, Virginia League |
1922–1923
|
|
Blue Ridge League, Eastern Shore League |
1922–1927
|
|
East Texas League, Texas Association |
1924, 1926
|
|
American Association, Pacific Coast League |
1924
|
|
American Association, Pacific Coast League |
1925
|
|
South Atlantic League, Virginia League |
1925–1927
|
|
Three-I League, Michigan State League |
1926
|
|
Three-I League, Western League |
1926
|
|
New York–Penn League, New England League |
1926
|
|
New York–Penn League, Eastern League |
1926, 1930
|
|
New York–Penn League, Virginia League |
1927
|
|
Eastern League, International League |
1927, 1929
|
|
Southeastern League, South Atlantic League |
1927–1928, 1930
|
|
Lone Star League, West Texas League |
1928
|
|
Middle Atlantic League, Blue Ridge League |
1928–1929
|
|
New England League, Eastern League |
1929
|
|
Central League, Three-I League |
1929–1930
|
| Junior World Series |
American Association, International League |
1932–1934, 1936–1962, 1970–1971, 1973–1974
|
|
Western League, Mississippi Valley League |
1933
|
|
Mexican League, Texas League |
1959–1961
|
| Dixie Series |
Southern League, Texas League |
1967
|
|
American Association, International League, Pacific Coast League, Hawaii Islanders (PCL), Latin American All-Stars |
1973
|
| Triple-A World Series |
American Association, International League, Pacific Coast League |
1983
|
| Triple-A Classic |
American Association, International League |
1988–1991
|
| Triple-A World Series |
International League, Pacific Coast League |
1998–2000
|
| Triple-A Baseball National Championship Game |
International League, Pacific Coast League |
2006–present
|