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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | ERA | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Michael Calhoun | 2.787 | 2044-2049 | |
| 2 | Toby Adams | 2.793 | 2034-2047 | |
| 3 | Brady Walker | 2.883 | 2036-2050 | |
| 4 | John Campbell | 2.972 | 2026-2035 | |
| 5 | Jeffrey Gómez | 3.201 | 2029-2040 | |
| 6 | Enzo Echevería# | 3.312 | 2044-2051 | |
| 7 | Wynn Thompson | 3.329 | 2019-2029 | |
| 8 | Jesús González# | 3.379 | 2045-2051 | |
| 9 | Will Calderón# | 3.494 | 2046-2051 | |
| 10 | Luis Leyva | 3.539 | 2013-2019 | |
| 11 | Michael Dana | 3.799 | 2010-2017 | |
| 12 | Mauro Puñal | 3.909 | 2010-2020 |
