| 2013 | Arkansas Travelers, Corpus Christi Hooks, Frisco RoughRiders, Midland RockHounds, Northwest Arkansas Naturals, San Antonio Missions, Springfield Cardinals, Tulsa Drillers |
| 2012 | Arkansas Travelers, Corpus Christi Hooks, Frisco RoughRiders, Midland RockHounds, Northwest Arkansas Naturals, San Antonio Missions, Springfield Cardinals, Tulsa Drillers |
| 2011 | Arkansas Travelers, Corpus Christi Hooks, Frisco RoughRiders, Midland RockHounds, Northwest Arkansas Naturals, San Antonio Missions, Springfield Cardinals, Tulsa Drillers |
| 2010 | Arkansas Travelers, Corpus Christi Hooks, Frisco RoughRiders, Midland RockHounds, Northwest Arkansas Naturals, San Antonio Missions, Springfield Cardinals, Tulsa Drillers |
| 2009 | Arkansas Travelers, Corpus Christi Hooks, Frisco RoughRiders, Midland RockHounds, Northwest Arkansas Naturals, San Antonio Missions, Springfield Cardinals, Tulsa Drillers |
| 2008 | Arkansas Travelers, Corpus Christi Hooks, Frisco RoughRiders, Midland RockHounds, Northwest Arkansas Naturals, San Antonio Missions, Springfield Cardinals, Tulsa Drillers |
| 2007 | Arkansas Travelers, Corpus Christi Hooks, Frisco RoughRiders, Midland RockHounds, San Antonio Missions, Springfield Cardinals, Tulsa Drillers, Wichita Wranglers |
| 2006 | Arkansas Travelers, Corpus Christi Hooks, Frisco RoughRiders, Midland RockHounds, San Antonio Missions, Springfield Cardinals, Tulsa Drillers, Wichita Wranglers |
| 2005 | Arkansas Travelers, Corpus Christi Hooks, Frisco RoughRiders, Midland RockHounds, San Antonio Missions, Springfield Cardinals, Tulsa Drillers, Wichita Wranglers |
| 2004 | Arkansas Travelers, El Paso Diablos, Frisco RoughRiders, Midland RockHounds, Round Rock Express, San Antonio Missions, Tulsa Drillers, Wichita Wranglers |
| 2003 | Arkansas Travelers, El Paso Diablos, Frisco RoughRiders, Midland RockHounds, Round Rock Express, San Antonio Missions, Tulsa Drillers, Wichita Wranglers |
| 2002 | Arkansas Travelers, El Paso Diablos, Midland RockHounds, Round Rock Express, San Antonio Missions, Shreveport Swamp Dragons, Tulsa Drillers, Wichita Wranglers |
| 2001 | Arkansas Travelers, El Paso Diablos, Midland RockHounds, Round Rock Express, San Antonio Missions, Shreveport Swamp Dragons, Tulsa Drillers, Wichita Wranglers |
| 2000 | Arkansas Travelers, El Paso Diablos, Midland RockHounds, Round Rock Express, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1999 | Arkansas Travelers, El Paso Diablos, Jackson Generals, Midland RockHounds, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1998 | Arkansas Travelers, El Paso Diablos, Jackson Generals, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1997 | Arkansas Travelers, El Paso Diablos, Jackson Generals, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1996 | Arkansas Travelers, El Paso Diablos, Jackson Generals, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1995 | Arkansas Travelers, El Paso Diablos, Jackson Generals, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1994 | Arkansas Travelers, El Paso Diablos, Jackson Generals, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1993 | Arkansas Travelers, El Paso Diablos, Jackson Generals, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1992 | Arkansas Travelers, El Paso Diablos, Jackson Generals, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1991 | Arkansas Travelers, El Paso Diablos, Jackson Generals, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1990 | Arkansas Travelers, El Paso Diablos, Jackson Mets, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1989 | Arkansas Travelers, El Paso Diablos, Jackson Mets, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Wranglers |
| 1988 | Arkansas Travelers, El Paso Diablos, Jackson Mets, Midland Angels, San Antonio Missions, Shreveport Captains, Tulsa Drillers, Wichita Pilots |
| 1987 | Arkansas Travelers, El Paso Diablos, Jackson Mets, Midland Angels, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers, Wichita Pilots |
| 1986 | Arkansas Travelers, Beaumont Golden Gators, El Paso Diablos, Jackson Mets, Midland Angels, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers |
| 1985 | Arkansas Travelers, Beaumont Golden Gators, El Paso Diablos, Jackson Mets, Midland Angels, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers |
| 1984 | Arkansas Travelers, Beaumont Golden Gators, El Paso Diablos, Jackson Mets, Midland Cubs, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers |
| 1983 | Arkansas Travelers, Beaumont Golden Gators, El Paso Diablos, Jackson Mets, Midland Cubs, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers |
| 1982 | Amarillo Gold Sox, Arkansas Travelers, El Paso Diablos, Jackson Mets, Midland Cubs, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers |
| 1981 | Amarillo Gold Sox, Arkansas Travelers, El Paso Diablos, Jackson Mets, Midland Cubs, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers |
| 1980 | Amarillo Gold Sox, Arkansas Travelers, El Paso Diablos, Jackson Mets, Midland Cubs, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers |
| 1979 | Amarillo Gold Sox, Arkansas Travelers, El Paso Diablos, Jackson Mets, Midland Cubs, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers |
| 1978 | Amarillo Gold Sox, Arkansas Travelers, El Paso Diablos, Jackson Mets, Midland Cubs, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers |
| 1977 | Amarillo Gold Sox, Arkansas Travelers, El Paso Diablos, Jackson Mets, Midland Cubs, San Antonio Dodgers, Shreveport Captains, Tulsa Drillers |
| 1976 | Amarillo Gold Sox, Arkansas Travelers, El Paso Diablos, Jackson Mets, Lafayette Drillers, Midland Cubs, San Antonio Brewers, Shreveport Captains |
| 1975 | Alexandria Aces, Arkansas Travelers, El Paso Diablos, Jackson Mets, Lafayette Drillers, Midland Cubs, San Antonio Brewers, Shreveport Captains |
| 1974 | Alexandria Aces, Amarillo Giants, Arkansas Travelers, El Paso Diablos, Midland Cubs, San Antonio Brewers, Shreveport Captains, Victoria Toros |
| 1973 | Alexandria Aces, Amarillo Giants, Arkansas Travelers, El Paso Sun Kings, Memphis Blues, Midland Cubs, San Antonio Brewers, Shreveport Captains |
| 1972 | Alexandria Aces, Amarillo Giants, Arkansas Travelers, El Paso Dodgers, Memphis Blues, Midland Cubs, San Antonio Brewers, Shreveport Captains |
| 1970 | Albuquerque Dodgers, Amarillo Giants, Arkansas Travelers, Dallas-Fort Worth Spurs, El Paso Sun Kings, Memphis Blues, San Antonio Missions, Shreveport Braves |
| 1969 | Albuquerque Dodgers, Amarillo Giants, Arkansas Travelers, Dallas-Fort Worth Spurs, El Paso Sun Kings, Memphis Blues, San Antonio Missions, Shreveport Braves |
| 1968 | Albuquerque Dodgers, Amarillo Giants, Arkansas Travelers, Dallas-Fort Worth Spurs, El Paso Sun Kings, Memphis Blues, San Antonio Missions, Shreveport Braves |
| 1967 | Albuquerque Dodgers, Amarillo Sonics, Arkansas Travelers, Austin Braves, Dallas-Fort Worth Spurs, El Paso Sun Kings |
| 1966 | Albuquerque Dodgers, Amarillo Sonics, Arkansas Travelers, Austin Braves, Dallas-Fort Worth Spurs, El Paso Sun Kings |
| 1965 | Albuquerque Dodgers, Amarillo Sonics, Austin Braves, Dallas-Fort Worth Spurs, El Paso Sun Kings, Tulsa Oilers |
| 1964 | Albuquerque Dukes, Austin Senators, El Paso Sun Kings, Fort Worth Cats, San Antonio Bullets, Tulsa Oilers |
| 1963 | Albuquerque Dukes, Amarillo Gold Sox, Austin Senators, El Paso Sun Kings, San Antonio Bullets, Tulsa Oilers |
| 1962 | Albuquerque Dukes, Amarillo Gold Sox, Austin Senators, El Paso Sun Kings, San Antonio Missions, Tulsa Oilers |
| 1961 | Amarillo Gold Sox, Austin Senators, Rio Grande Valley/Victoria Giants, San Antonio Missions, Tulsa Oilers, Victoria/Ardmore Rosebuds |
| 1960 | Amarillo Gold Sox, Austin Senators, Rio Grande Valley Giants, San Antonio Missions, Tulsa Oilers, Victoria Rosebuds |
| 1959 | Amarillo Gold Sox, Austin Senators, Corpus Christi Giants, San Antonio Missions, Tulsa Oilers, Victoria Rosebuds |
| 1958 | Austin Senators, Corpus Christi Giants, Dallas Rangers, Fort Worth Cats, Houston Buffaloes, San Antonio Missions, Tulsa Oilers, Victoria Rosebuds |
| 1957 | Austin Senators, Dallas Eagles, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1956 | Austin Senators, Dallas Eagles, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1955 | Beaumont Exporters, Dallas Eagles, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1954 | Beaumont Exporters, Dallas Eagles, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1953 | Beaumont Exporters, Dallas Eagles, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1952 | Beaumont Roughnecks, Dallas Eagles, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1951 | Beaumont Roughnecks, Dallas Eagles, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1950 | Beaumont Roughnecks, Dallas Eagles, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1949 | Beaumont Exporters, Dallas Eagles, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1948 | Beaumont Exporters, Dallas Eagles, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1947 | Beaumont Exporters, Dallas Rebels, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |
| 1946 | Beaumont Exporters, Dallas Rebels, Fort Worth Cats, Houston Buffaloes, Oklahoma City Indians, San Antonio Missions, Shreveport Sports, Tulsa Oilers |