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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Roberts Hamhock | .3949 | 2037-2045 | |
| 2 | José Rodríguez | .3839 | 2033-2039 | |
| 2 | Carlos Álvarez | .3839 | 2021-2031 | |
| 4 | José Castillo | .3807 | 2028-2033 | |
| 5 | Jorge Gonzáles | .3786 | 2015-2022 | |
| 6 | Sherman Kline | .3678 | 2042-2049 | |
| 7 | Mario Blanco | .3590 | 2023-2032 | |
| 8 | John Simpson | .3538 | 2045-2054 | |
| 9 | Javier Vega | .3528 | 2029-2037 | |
| 10 | Víctor Robledo | .3480 | 2025-2034 | |
| 11 | Andrew Weeks | .3476 | 2021-2029 | |
| 12 | Jim Coffey | .3462 | 2016-2022 | |
| 13 | Hubert Dodson | .3460 | 2021-2030 | |
| 14 | Jesús Guillén | .3453 | 2036-2045 | |
| 15 | Michael Brannon | .3446 | 2036-2044 | |
| 16 | Martin Mullinger | .3435 | 2047-2059 | |
| 17 | Bastyão Lizardo | .3350 | 2020-2035 | |
| 18 | James Pike | .3305 | 2032-2040 | |
| 19 | Robert Hill | .3304 | 2020-2027 | |
| 20 | Aleixos Arde | .3294 | 2045-2054 | |
| 21 | Pedro Píaz | .3292 | 2047-2055 | |
| 22 | Martín Núñes | .3258 | 2015-2022 | |
| 23 | Bill Strong# | .3220 | 2054-2061 | |
| 24 | Juan Tellado | .3215 | 2030-2038 | |
| 25 | Darren Gordam | .3189 | 2045-2054 | |
| 26 | Santiago Valentín | .3143 | 2034-2044 | |
| 27 | Rafael Carballar | .3100 | 2044-2057 | |
| 28 | Hanskarl Hümmel# | .3065 | 2054-2060 | |
| 29 | Ed St. James | .3047 | 2032-2040 | |
| 30 | Sean Roberts | .3030 | 2038-2045 | |
| 31 | Matt Dunham# | .2994 | 2055-2061 | |
| 32 | Leon Burns | .2783 | 2045-2054 | |
| 33 | Eldon Church# | .2778 | 2054-2060 |
