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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Jonah Arenado | .4467 | 2019 | |
| 2 | Graham Pauley# | .4327 | 2024 | |
| 3 | Taylor Ward# | .4164 | 2019 | |
| 4 | Josh Jung# | .4093 | 2021 | |
| 5 | Francisco Martinez | .4091 | 2014 | |
| 6 | Christian Villanueva | .4047 | 2014 | |
| 7 | Keith Grieshaber | .4038 | 2020 | |
| 8 | Kirvin Moesquit | .4000 | 2020 | |
| 9 | David Adams | .3988 | 2015 | |
| 10 | Renato Nunez | .3974 | 2016 | |
| 11 | Carlos Rivero | .3899 | 2014 | |
| 12 | Brett Baty# | .3898 | 2022 | |
| 13 | Kaleb Cowart | .3797 | 2013 | |
| 14 | Cayden Wallace# | .3780 | 2024 | |
| 15 | Josh L. Bell | .3764 | 2015 | |
| 16 | Tyler Filliben | .3723 | 2020 | |
| 17 | Jacob Wilson | .3680 | 2017 | |
| 18 | Humberto Arteaga | .3660 | 2018 | |
| 19 | Christian Villanueva | .3658 | 2015 | |
| 20 | Caleb Hamilton# | .3590 | 2023 | |
| 21 | Jefry Marte | .3541 | 2014 | |
| 22 | Andy Weber# | .3537 | 2024 | |
| 23 | Tyler Locklear# | .3436 | 2024 | |
| 24 | Aderlin Mejia | .3428 | 2017 | |
| 25 | Matt D. Williams | .3208 | 2014 |
