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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Francisco Pérez# | .4071 | 2023 | |
| 2 | Rob Thomason# | .3557 | 2021 | |
| 3 | Dale Quick# | .3518 | 2025 | |
| 4 | Roberto Fierro# | .3452 | 2025 | |
| 5 | Eugene Henson# | .3415 | 2021 | |
| 6 | Roberto Fierro# | .3358 | 2024 | |
| 7 | Jay Hood# | .3343 | 2025 | |
| 8 | Cole Thrash# | .3296 | 2022 | |
| 9 | Ángel Aguilar# | .3253 | 2020 | |
| 10 | Sergio Rodríguez# | .3249 | 2023 | |
| 11 | Rúbem Corvo | .3243 | 2021 | |
| 12 | Diego Bonilla# | .3211 | 2021 | |
| 13 | Rafael Pueblo# | .3179 | 2024 | |
| 14 | Vicente Cruz# | .3169 | 2023 | |
| 15 | Emanuel Bree# | .3127 | 2023 | |
| 16 | William Walls# | .3098 | 2024 | |
| 17 | Jesús Vargas# | .3081 | 2021 | |
| 18 | Chi-hyeong Ho# | .3019 | 2023 | |
| 19 | Joaquín Rangel# | .2992 | 2021 | |
| 20 | Kevin Johnson# | .2984 | 2025 | |
| 20 | Pedro Tapia# | .2984 | 2024 | |
| 22 | Emanuel Bree# | .2982 | 2022 | |
| 23 | Oscar Stephens# | .2980 | 2023 | |
| 24 | Chi-hyeong Ho# | .2974 | 2024 | |
| 25 | George St. Clair# | .2959 | 2022 | |
| 26 | Dylan Carson# | .2910 | 2022 | |
| 27 | Alfredo Suárez# | .2869 | 2020 | |
| 28 | Xing-li Wang# | .2838 | 2023 | |
| 29 | Robinson Barquero# | .2788 | 2025 | |
| 30 | Earnest Vater# | .2780 | 2025 | |
| 31 | Juan Salinas# | .2707 | 2020 | |
| 32 | Arturo Ballina# | .2698 | 2021 | |
| 33 | Cisco Hernández# | .2680 | 2025 | |
| 34 | Gabrio Campoverde# | .2585 | 2024 | |
| 35 | Miguel Montoya# | .2525 | 2022 | |
| 36 | Lance Antle# | .2507 | 2025 |
