Baseball Men: Minor Leagues AAA AA (American Association) Year 1997 Buffalo Bisons Iowa Cubs Indianapolis Indians New Orleans Zephyrs 1996 Oklahoma City 89ers Indianapolis Indians Buffalo Bisons Omaha Royals 1995 Louisville Redbirds Buffalo Bisons Indianapolis Indians Omaha Royals 1994 Indianapolis Indians Nashville Sounds Louisville Redbirds New Orleans Zephyrs 1993 Iowa Cubs Nashville Sounds 1992 Oklahoma City 89ers Buffalo Bisons 1991 Denver Zephyrs Buffalo Bisons 1990 Omaha Royals Nashville Sounds 1989 Indianapolis Indians Omaha Royals 1988 Indianapolis Indians Omaha Royals 1987 Indianapolis Indians Denver Zephyrs 1986 Indianapolis Indians Denver Zephyrs 1985 Louisville Redbirds Oklahoma City 89ers 1984 Louisville Redbirds Denver Zephyrs 1983 Denver Bears Louisville Redbirds 1982 Indianapolis Indians Omaha Royals 1981 Denver Bears Omaha Royals 1980 Springfield Redbirds Denver Bears 1979 Evansville Triplets Oklahoma City 89ers 1978 Omaha Royals Indianapolis Indians 1977 Denver Bears Omaha Royals 1976 Denver Bears Omaha Royals 1975 Evansville Triplets Denver Bears 1974 Tulsa Oilers Indianapolis Indians 1973 Tulsa Oilers Iowa Oaks 1972 Evansville Triplets Wichita Aeros 1971 Denver Bears Indianapolis Indians 1970 Omaha Royals Denver Bears 1969 -- -- 1962 Louisville Colonels Denver Bears 1961 Louisville Colonels Houston Buffs 1960 Louisville Colonels Denver Bears 1959 Minneapolis Millers Fort Worth Cats 1958 Minneapolis Millers Denver Bears 1957 Denver Bears St. Paul Saints 1956 Indianapolis Indians Denver Bears 1955 Minneapolis Millers Omaha Cardinals 1954 Louisville Colonels Indianapolis Indians 1953 Kansas City Blues Toledo Mud Hens 1952 Kansas City Blues Milwaukee Brewers 1951 Milwaukee Brewers St. Paul Saints 1950 Columbus Red Birds Indianapolis Indians 1949 Indianapolis Indians Milwaukee Brewers 1948 St. Paul Saints Columbus Red Brds 1947 Milwaukee Brewers Louisville Colonels 1946 Louisville Colonels Indianapolis Indians 1945 Louisville Colonels St. Paul Saints 1944 Louisville Colonels St. Paul Saints 1943 Columbus Red Birds Indianapolis Indians 1942 Columbus Red Birds Toledo Mud Hens 1941 Columbus Red Birds Louisville Colonels 1940 Louisville Colonels Kansas City Blues 1939 Louisville Colonels Indianapolis Indians 1938 Kansas City Blues St. Paul Saints 1937 Columbus Red Birds Milwaukee Brewers 1936 Milwaukee Brewers Indianapolis Indians 1935 -- -- 1934 Columbus Red Birds Minneapolis Millers 1933 Columbus Red Birds Minneapolis Millers 1932 1931 1930 1929 1928 1927 1926 1925 1924 1923 1922 1921 1920 1919 1918 1917 1916 1915 1914 1913 1912 1911 1910 1909 1908 1907 1906 1905 1904 1903 Notes: class AAA since 1946 league dissolved after the 1997 season, 3 teams went to the IL, 5 teams to the PCL established in 1902, classified league since 1903 1969: league was re-established, league held regular competition, but no championship 1962: after the 1962 season the league folded 1935: league held regular competition, but no championship