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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Year | Champion | LgERA | LgAvg | Lg |
|---|---|---|---|---|
| 2021 | State College Swift Steeds | 4.22 | .280 | MiLPBE |
| 2022 | State College Swift Steeds | 4.42 | .274 | MiLPBE |
| 2023 | State College Swift Steeds | 4.22 | .266 | MiLPBE |
| 2024 | Amarillo Armadillos | 4.67 | .282 | MiLPBE |
| 2025 | State College Swift Steeds | 4.35 | .274 | MiLPBE |
| 2026 | State College Swift Steeds | 4.42 | .285 | MiLPBE |
| 2027 | Anchorage Wheelers | 4.74 | .283 | MiLPBE |
| 2028 | Kingston Mounties | 4.56 | .288 | MiLPBE |
| 2029 | Amarillo Armadillos | 4.65 | .280 | MiLPBE |
| 2030 | Amarillo Armadillos | 4.57 | .281 | MiLPBE |
| 2031 | Dallas Dynamos | 4.63 | .282 | MiLPBE |
| 2032 | Kingston Mounties | 5.19 | .292 | MiLPBE |
| 2033 | Kingston Mounties | 4.59 | .278 | MiLPBE |
| 2034 | Kansas City Hepcats | 4.63 | .280 | MiLPBE |
| 2035 | Kingston Mounties | 4.80 | .286 | MiLPBE |
| 2036 | Amarillo Armadillos | 4.42 | .273 | MiLPBE |
| 2037 | State College Swift Steeds | 4.53 | .278 | MiLPBE |
| 2038 | 4.29 | .278 | MiLPBE |
