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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Lg | LgAvg | LgERA | Champion | Year | Champion | LgERA | LgAvg | Lg |
|---|---|---|---|---|---|---|---|---|
| SL1 | .263 | 3.90 | Charlotte Tigercats | 2017 | Memphis Goats | 3.55 | .251 | SL2 |
| SL1 | .262 | 3.88 | New York Panthers | 2018 | Memphis Goats | 3.67 | .251 | SL2 |
| SL1 | .265 | 3.96 | Milwaukee Oilmen | 2019 | El Paso Toros | 3.67 | .256 | SL2 |
| SL1 | .269 | 4.02 | Detroit Sunbirds | 2020 | Garland Winkers | 3.46 | .253 | SL2 |
| SL1 | .265 | 3.94 | Milwaukee Oilmen | 2021 | El Paso Toros | 3.73 | .259 | SL2 |
