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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Year | Champion | LgERA | LgAvg | Lg |
|---|---|---|---|---|
| 1927 | Hearne Boogers | 4.05 | .283 | SPL |
| 1928 | Hearne Boogers | 4.70 | .305 | SPL |
| 1929 | Tucson Apaches | 4.80 | .307 | SPL |
| 1930 | Texarkana Twins | 5.08 | .308 | SPL |
| 1931 | Orange Athletics | 5.45 | .309 | SPL |
| 1932 | Orange Athletics | 5.36 | .305 | SPL |
| 1933 | Hearne Boogers | 5.09 | .301 | SPL |
| 1934 | Galveston Pelicans | 4.86 | .295 | SPL |
| 1935 | Texarkana Twins | 4.49 | .285 | SPL |
| 1936 | Hearne Boogers | 4.87 | .289 | SPL |
| 1937 | Hearne Boogers | 4.48 | .284 | SPL |
| 1938 | Texarkana Twins | 4.49 | .281 | SPL |
| 1939 | Tucson Apaches | 4.17 | .271 | SPL |
