| 2013 (9 teams) | Scranton/Wilkes-Barre | Trenton | Tampa | Charleston | Staten Island | Yankees 1, Yankees 2 | Yankees 1, Yankees 2 | |
| 2012 (8 teams) | Scranton/Wilkes-Barre | Trenton | Tampa | Charleston | Staten Island | Yankees | Yankees 2, Yankees 1 | |
| 2011 (8 teams) | Scranton/Wilkes-Barre | Trenton | Tampa | Charleston | Staten Island | Yankees | Yankees 2, Yankees 1 | |
| 2010 (8 teams) | Scranton/Wilkes-Barre | Trenton | Tampa | Charleston | Staten Island | Yankees | Yankees 2, Yankees 1 | |
| 2009 (8 teams) | Scranton/Wilkes-Barre | Trenton | Tampa | Charleston | Staten Island | Yankees | Yankees 1, Yankees 2 | |
| 2008 (8 teams) | Scranton/Wilkes-Barre | Trenton | Tampa | Charleston | Staten Island | Yankees | Yankees 2, Yankees 1 | |
| 2007 (8 teams) | Scranton/Wilkes-Barre | Trenton | Tampa | Charleston | Staten Island | Yankees | Yankees 2, Yankees 1 | |
| 2006 (8 teams) | Columbus | Trenton | Tampa | Charleston | Staten Island | Yankees | Yankees 2, Yankees 1 | |
| 2005 (8 teams) | Columbus | Trenton | Tampa | Charleston | Staten Island | Yankees | Yankees 2, Yankees 1 | |
| 2004 (8 teams) | Columbus | Trenton | Tampa | Battle Creek | Staten Island | Yankees | Yankees 1, Yankees 2 | |
| 2003 (8 teams) | Columbus | Trenton | Tampa | Battle Creek | Staten Island | Yankees | Yankees 2, Yankees 1 | |
| 2002 (8 teams) | Columbus | Norwich | Tampa | Greensboro | Staten Island | Yankees | Yankees 2, Yankees 1 | |
| 2001 (7 teams) | Columbus | Norwich | Tampa | Greensboro | Staten Island | Yankees | Yankees | |
| 2000 (7 teams) | Columbus | Norwich | Tampa | Greensboro | Staten Island | Yankees | Yankees | |
| 1999 (7 teams) | Columbus | Norwich | Tampa | Greensboro | Staten Island | Yankees | Yankees | |
| 1998 (7 teams) | Columbus | Norwich | Tampa | Greensboro | Oneonta | Yankees | Yankees | |
| 1997 (8 teams) | Columbus | Norwich | Tampa | Greensboro | Oneonta | Yankees | Yankees | Melbourne Reds |
| 1996 (7 teams) | Columbus | Norwich | Tampa | Greensboro | Oneonta | Yankees | Yankees | |
| 1995 (7 teams) | Columbus | Norwich | Tampa | Greensboro | Oneonta | Yankees | Yankees | |
| 1994 (7 teams) | Columbus | Albany-Colonie | Tampa | Greensboro | Oneonta | Yankees | Yankees | |
| 1993 (6 teams) | Columbus | Albany-Colonie | Prince William | Greensboro | Oneonta | Yankees | | |
| 1992 (7 teams) | Columbus | Albany-Colonie | Prince William, Fort Lauderdale | Greensboro | Oneonta | Yankees | | |
| 1991 (7 teams) | Columbus | Albany-Colonie | Fort Lauderdale, Prince William | Greensboro | Oneonta | Yankees | | |
| 1990 (8 teams) | Columbus | Albany-Colonie | Fort Lauderdale, Prince William | Greensboro | Oneonta | Yankees | Yankees | |
| 1989 (7 teams) | Columbus | Albany-Colonie | | Fort Lauderdale, Prince William | Oneonta | Yankees | Yankees | |
| 1988 (6 teams) | Columbus | Albany-Colonie | | Prince William, Fort Lauderdale | Oneonta | Yankees | | |
| 1987 (6 teams) | Columbus | Albany-Colonie | | Fort Lauderdale, Prince William | Oneonta | Yankees | | |
| 1986 (5 teams) | Columbus | Albany-Colonie | | Fort Lauderdale | Oneonta | Yankees | | |
| 1985 (5 teams) | Columbus | Albany-Colonie | | Fort Lauderdale | Oneonta | Yankees | | |
| 1984 (6 teams) | Columbus | Nashville | | Greensboro, Fort Lauderdale | Oneonta | Yankees | | |
| 1983 (5 teams) | Columbus | Nashville | | Fort Lauderdale, Greensboro | Oneonta | | | |
| 1982 (7 teams) | Columbus | Nashville | | Greensboro, Fort Lauderdale | Oneonta | Paintsville, Yankees | | |
| 1981 (7 teams) | Columbus | Nashville | | Fort Lauderdale, Greensboro | Oneonta | Paintsville, Yankees | | |
| 1980 (7 teams) | Columbus | Nashville | | Fort Lauderdale, Greensboro | Oneonta | Paintsville, Yankees | | |
| 1979 (5 teams) | Columbus | West Haven | | Fort Lauderdale | Oneonta | Paintsville | | |
| 1978 (4 teams) | Tacoma | West Haven | | Fort Lauderdale | Oneonta | | | |
| 1977 (4 teams) | Syracuse | West Haven | | Fort Lauderdale | Oneonta | | | |
| 1976 (5 teams) | Syracuse | West Haven | | Fort Lauderdale | Oneonta | | | Yankees |
| 1975 (4 teams) | Syracuse | West Haven | | Fort Lauderdale | Oneonta | | | |
| 1974 (5 teams) | Syracuse | West Haven | | Fort Lauderdale | Oneonta | Johnson City | | |
| 1973 (5 teams) | Syracuse | West Haven | | Fort Lauderdale | Oneonta | Johnson City | | |
| 1972 (7 teams) | Syracuse | West Haven | | Kinston, Fort Lauderdale | Oneonta | Johnson City | | Yankees |
| 1971 (7 teams) | Syracuse | Manchester | | Fort Lauderdale, Kinston | Oneonta | Johnson City | | Yankees |
| 1970 (7 teams) | Syracuse | Manchester | | Fort Lauderdale, Kinston | Oneonta | Johnson City | | Yankees |
| 1969 (7 teams) | Syracuse | Manchester | | Fort Lauderdale, Kinston | Oneonta | Johnson City | | Yankees |
| 1968 (7 teams) | Syracuse | Binghamton | | Kinston, Fort Lauderdale | Oneonta | Johnson City | | Yankees |
| 1967 (8 teams) | Syracuse | Binghamton | | Greensboro, Fort Lauderdale | Oneonta | Johnson City | | Yankees, Yankees |
| 1966 (8 teams) | Toledo | Columbus | | Fort Lauderdale, Greensboro, Binghamton | | Yankees, Johnson City | | Yankees |
| 1965 (9 teams) | Toledo | Columbus | | Greensboro, Fort Lauderdale, Binghamton | | Johnson City, Yankees | | Yankees, Yankees |
| 1964 (9 teams) | Richmond | Columbus | | Shelby, Fort Lauderdale, Greensboro | | Johnson City, Yankees | | Yankees, Yankees |
| 1963 (8 teams) | Richmond | Augusta | | Idaho Falls, Fort Lauderdale, Greensboro, Shelby | | Harlan | | Yankees |
| 1962 (7 teams) | Richmond | Amarillo | | Augusta | | | | Greensboro, Yankees, Fort Lauderdale, Idaho Falls |
| 1961 (8 teams) | Richmond | Amarillo | | Binghamton | | | | St. Petersburg, Auburn, Modesto, Yankees, Greensboro |
| 1960 (9 teams) | Richmond | Amarillo | | Binghamton | | | | Auburn, Yankees, Greensboro, St. Petersburg, Fargo-Moorhead, Modesto |
| 1959 (10 teams) | Richmond | | | Binghamton | | | | Modesto, Fargo-Moorhead, Yankees, Greensboro, Yankees, Kearney, Auburn, St. Petersburg |
| 1958 (11 teams) | Richmond, Denver | New Orleans | | Binghamton | | | | Greensboro, Modesto, Auburn, Fargo-Moorhead, Kearney, Yankees, St. Petersburg |
| 1957 (10 teams) | Denver, Richmond | New Orleans | | Binghamton | | | | Kearney, Greenville, Alexandria, Modesto, Peoria, St. Petersburg |
| 1956 (12 teams) | Richmond, Denver | Birmingham | | Binghamton | | | | Kearney, Modesto, St. Petersburg, Quincy, Winston-Salem, McAlester, Monroe, Bradford |
| 1955 (11 teams) | Denver | Birmingham | | Binghamton | | | | Owensboro, Monroe, McAlester, Bristol, Winston-Salem, Norfolk, Modesto, Quincy |
| 1954 (10 teams) | Kansas City | Birmingham | | Binghamton | | | | McAlester, St. Joseph, Owensboro, Quincy, Bristol, Norfolk, Modesto |
| 1953 (11 teams) | Syracuse, Kansas City | Birmingham | | Binghamton | | | | Olean, Quincy, Norfolk, Boise, Joplin, Owensboro, McAlester |
| 1952 (10 teams) | Kansas City | Beaumont | | Binghamton | | | | Quincy, McAlester, Joplin, Boise, Norfolk, Fond du Lac, Olean |
| 1951 (14 teams) | San Francisco, Kansas City | Beaumont | | Muskegon, Binghamton | | | | Twin Falls, Newark, Amsterdam, Quincy, McAlester, Norfolk, Fond du Lac, La Grange, Joplin |
| 1950 (15 teams) | Kansas City | Beaumont | | Muskegon, Binghamton | | | | Amsterdam, Independence, McAlester, Norfolk, Joplin, Newark, Fond du Lac, Grand Forks, Twin Falls, Quincy, La Grange |
| 1949 (21 teams) | Kansas City, Newark | Beaumont | | Augusta, Binghamton | | | | La Grange, Norfolk, Amsterdam, Fond du Lac, Twin Falls, Independence, Joplin, Ventura, Newark, McAlester, Easton, Quincy, Grand Forks, Manchester, Belleville, Victoria |
| 1948 (24 teams) | Kansas City, Newark | Beaumont | | Binghamton, Augusta | | | | La Grange, Butler, Easton, Longview, Twin Falls, Newark, Joplin, Norfolk, Blackstone, Victoria, Ventura, McAlester, Grand Forks, Independence, Fond du Lac, Quincy, Bisbee-Douglas, Amsterdam, Manchester |
| 1947 (20 teams) | Newark, Kansas City | Beaumont | | Denver, Binghamton, Augusta | | | | Bisbee, Independence, Victoria, Ventura, Amsterdam, Stroudsburg, Sunbury, Joplin, Butler, Norfolk, Easton, Quincy, Twin Falls, Fond du Lac |
| 1946 (15 teams) | Kansas City, Newark | Beaumont | | Augusta, Binghamton | | | | Norfolk, Fond du Lac, Quincy, Sunbury, Joplin, Easton, Butler, Wellsville, Amsterdam, Twin Falls |
| 1945 (5 teams) | | Kansas City, Newark | | Binghamton | | | | Wellsville, Norfolk |
| 1944 (5 teams) | | Newark, Kansas City | | Binghamton | | | | Wellsville, Norfolk |
| 1943 (5 teams) | | Newark, Kansas City | | Binghamton | | | | Norfolk, Wellsville |
| 1942 (9 teams) | | Newark, Kansas City | | Binghamton | | | | Wellsville, Fond du Lac, Amsterdam, Butler, Norfolk, Joplin |
| 1941 (11 teams) | | Newark, Kansas City | | Binghamton | | | | Joplin, Norfolk, Easton, Idaho Falls, Akron, Amsterdam, Butler, Norfolk |
| 1940 (14 teams) | | Kansas City, Newark | | Binghamton | | | | Joplin, Amsterdam, Easton, Akron, Augusta, Idaho Falls, Butler, Norfolk, Norfolk, Wenatchee, Neosho |
| 1939 (16 teams) | | Kansas City, Newark | | Binghamton | | | | Big Spring, Wenatchee, El Paso, Norfolk, Easton, Neosho, Akron, Augusta, Newport, Butler, Amsterdam, Joplin, Norfolk |
| 1938 (12 teams) | | Kansas City, Newark | | Binghamton | | | | Norfolk, Jackson, Neosho, Joplin, Norfolk, Augusta, Akron, Butler, Wenatchee |
| 1937 (14 teams) | | Kansas City, Oakland, Newark | | Binghamton | | | | Smiths Falls, Jackson, Norfolk, Norfolk, Joplin, Akron, Butler, Bartlesville, Palatka, Augusta |
| 1936 (7 teams) | | Newark, Oakland | | Binghamton | | | | Butler, Akron, Joplin, Norfolk |
| 1935 (7 teams) | | Newark, Oakland | | Binghamton | | | | Washington, Akron, Norfolk, Joplin |
| 1934 (5 teams) | | Newark | | Binghamton | | | | Norfolk, Wheeling, Washington |
| 1933 (4 teams) | | Newark | | Binghamton | | | | Durham, Wheeling |
| 1932 (5 teams) | | Newark | | Springfield | | | | Binghamton, Cumberland, Erie |