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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Lg | LgAvg | LgERA | Champion | Year | Champion | LgERA | LgAvg | Lg |
|---|---|---|---|---|---|---|---|---|
| UL | .263 | 4.16 | Saskatoon Platoon | 2016 | Tallahassee Tyrants | 3.94 | .250 | PL |
| UL | .263 | 4.30 | Saskatoon Platoon | 2017 | Albany Outlaws | 3.90 | .250 | PL |
| UL | .266 | 4.34 | New Haven Tempest | 2018 | Anchorage Ice Sox | 4.03 | .253 | PL |
| UL | .262 | 4.07 | New Haven Tempest | 2019 | Eureka Goldrush | 4.13 | .256 | PL |
| UL | .262 | 4.22 | Saskatoon Platoon | 2020 | Anchorage Ice Sox | 3.96 | .255 | PL |
| UL | .264 | 4.20 | Kalamazoo Hullabaloo | 2021 | Anchorage Ice Sox | 3.98 | .251 | PL |
| UL | .261 | 4.12 | New Haven Tempest | 2022 | Topeka Bulldogs | 4.00 | .251 | PL |
| UL | .259 | 4.01 | Knoxville Running Rebels | 2023 | Albany Outlaws | 3.81 | .247 | PL |
| UL | .251 | 3.84 | Knoxville Running Rebels | 2024 | Anchorage Ice Sox | 3.84 | .246 | PL |
| UL | .256 | 3.89 | Toledo Cheesepressers | 2025 | Thunder Bay Corsairs | 3.82 | .245 | PL |
| UL | .251 | 3.90 | New Haven Tempest | 2026 | Topeka Bulldogs | 3.63 | .242 | PL |
