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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Year | Champion | LgERA | LgAvg | Lg |
|---|---|---|---|---|
| 2012 | Tulsa Drillers | 4.51 | .252 | TEX |
| 2013 | Frisco Rough Riders | 4.87 | .263 | TEX |
| 2014 | San Antonio Missions | 4.92 | .264 | TEX |
| 2015 | Midland Rock Hounds | 4.77 | .264 | TEX |
| 2016 | Frisco RoughRiders | 4.50 | .257 | TEX |
| 2017 | Frisco RoughRiders | 3.88 | .255 | TEX |
| 2018 | Corpus Christi Hooks | 4.42 | .277 | TEX |
| 2019 | San Antonio Missions | 3.83 | .256 | TEX |
| 2020 | Arkansas Travelers | 4.06 | .266 | TEX |
| 2021 | Arkansas Travelers | 3.96 | .264 | TEX |
| 2022 | Frisco RoughRiders | 4.02 | .254 | TEX |
| 2023 | Arkansas Travelers | 4.05 | .257 | TEX |
| 2024 | 3.37 | .246 | TEX |
