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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Thomas Vaughan# | .4467 | 2023 | |
| 2 | Ubbe van Antwerpen# | .4054 | 2023 | |
| 3 | Ralph Turner# | .3912 | 2023 | |
| 4 | Ronald Hines# | .3905 | 2021 | |
| 5 | Logan Manning# | .3852 | 2023 | |
| 6 | Jason Alexander# | .3763 | 2020 | |
| 7 | León Cabrera# | .3753 | 2023 | |
| 8 | Richard Hicks# | .3731 | 2022 | |
| 9 | Ronald Hines# | .3641 | 2022 | |
| 10 | Juan Brito# | .3596 | 2022 | |
| 11 | Miguel Torres# | .3569 | 2021 | |
| 12 | Ted Hansen# | .3557 | 2022 | |
| 13 | Ted Hansen# | .3487 | 2020 | |
| 14 | Ted Hansen# | .3471 | 2021 | |
| 15 | Bobby Buck# | .3405 | 2021 | |
| 16 | Mario Castillo# | .3372 | 2023 | |
| 17 | Brandon McCullough# | .3348 | 2023 | |
| 18 | Jorge Salazar# | .3323 | 2020 | |
| 19 | José Carlos Pérez# | .3257 | 2023 | |
| 20 | Manuel Martínez# | .3255 | 2022 | |
| 21 | Héctor Cantú# | .3231 | 2022 | |
| 22 | Sean MacKnight# | .2979 | 2022 | |
| 23 | Mario Castillo# | .2946 | 2021 | |
| 24 | José Icaza# | .2897 | 2022 | |
| 25 | Orlando Padilla# | .2878 | 2022 | |
| 26 | Brad Jacobson# | .2873 | 2021 |
