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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Don Brown | .5116 | 2014 | |
| 2 | Enrique Pérez# | .4480 | 2018 | |
| 3 | Don Brown | .4255 | 2015 | |
| 4 | Mike Pace# | .4186 | 2020 | |
| 5 | John Hayes | .4108 | 2015 | |
| 6 | Lawrence Bell# | .4079 | 2014 | |
| 7 | Ares Jilavian | .4055 | 2014 | |
| 8 | Do-hyung Nam# | .3926 | 2019 | |
| 9 | Iván Pérez# | .3839 | 2018 | |
| 10 | Noel Livingston | .3811 | 2018 | |
| 11 | Ben Ross# | .3782 | 2018 | |
| 12 | Vicente Martínez | .3777 | 2015 | |
| 13 | José Ramos# | .3734 | 2015 | |
| 14 | Don Brown | .3708 | 2017 | |
| 15 | Vicente Martínez | .3679 | 2016 | |
| 16 | Steve Dunn# | .3658 | 2020 | |
| 17 | Roberto Ramírez | .3655 | 2018 | |
| 18 | Max White# | .3646 | 2020 | |
| 19 | Jian-zhang Phan# | .3614 | 2020 | |
| 20 | Mal Bussard# | .3607 | 2018 | |
| 21 | Noel Livingston | .3601 | 2016 | |
| 22 | Juan Sánchez# | .3581 | 2014 | |
| 23 | San-gui Liang# | .3570 | 2016 | |
| 24 | Iván Pérez# | .3561 | 2020 | |
| 25 | Don Brown | .3553 | 2016 | |
| 26 | Matt Morris | .3549 | 2016 | |
| 27 | Cliff Dixon# | .3542 | 2014 | |
| 28 | Juan Jose Díaz | .3514 | 2014 | |
| 29 | José Reyes | .3449 | 2014 | |
| 30 | Jeff Young# | .3404 | 2021 | |
| 31 | Henry Collier | .3366 | 2015 | |
| 32 | Roberto Ramírez | .3307 | 2017 | |
| 33 | Juan Torres | .3286 | 2019 | |
| 34 | Jeff Young# | .3277 | 2020 | |
| 35 | Henry Collier | .3247 | 2014 | |
| 36 | Noel Livingston | .3185 | 2017 | |
| 37 | Kelly Flint | .3162 | 2016 | |
| 38 | Daniel Rose# | .3114 | 2017 | |
| 39 | Dustin Tucker# | .3094 | 2019 | |
| 40 | Floyd Mitchell# | .3053 | 2018 | |
| 41 | José Ramos# | .3043 | 2017 | |
| 42 | Bob Davis# | .2938 | 2021 | |
| 43 | Juan Orozco# | .2925 | 2016 | |
| 44 | Juan Orozco# | .2916 | 2017 | |
| 45 | Robby Thomas# | .2914 | 2020 | |
| 46 | Jeff Young# | .2912 | 2019 | |
| 47 | Juan Alvarado# | .2803 | 2017 | |
| 48 | Ricardo Nieto | .2591 | 2017 |
