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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | George Valentine | .4918 | 2015 | |
| 2 | George Valentine | .4746 | 2014 | |
| 3 | Christian Walls | .4559 | 2014 | |
| 4 | Tony Dyer# | .4547 | 2014 | |
| 5 | Christian Walls | .4543 | 2015 | |
| 6 | John Downing# | .4521 | 2014 | |
| 7 | Tony Dyer# | .4476 | 2018 | |
| 8 | John Downing# | .4458 | 2019 | |
| 9 | Christian Walls | .4449 | 2016 | |
| 10 | Tony Dyer# | .4439 | 2016 | |
| 11 | Tony Dyer# | .4292 | 2017 | |
| 12 | Robbie Roach# | .4273 | 2016 | |
| 13 | John Downing# | .4225 | 2015 | |
| 14 | Tony Dyer# | .4224 | 2013 | |
| 15 | John Downing# | .4190 | 2016 | |
| 16 | Tony Dyer# | .4158 | 2019 | |
| 17 | Albert Morán# | .4126 | 2023 | |
| 18 | Tony Dyer# | .4111 | 2015 | |
| 19 | Robbie Roach# | .4089 | 2017 | |
| 20 | Wilfred McLaughlin# | .4052 | 2020 | |
| 21 | Albert Morán# | .4040 | 2022 | |
| 22 | John Downing# | .4032 | 2018 | |
| 23 | Michael Greene# | .4000 | 2018 | |
| 24 | Tony Dyer# | .3991 | 2021 | |
| 24 | John Downing# | .3991 | 2013 | |
| 26 | Robert Bond | .3984 | 2014 | |
| 27 | Arturo Hernández | .3971 | 2015 | |
| 28 | Christian Walls | .3960 | 2017 | |
| 29 | Neil Lawson# | .3900 | 2022 | |
| 30 | John Downing# | .3880 | 2020 | |
| 31 | Arturo Hernández | .3874 | 2014 | |
| 32 | Earl Ellis | .3871 | 2014 | |
| 33 | Júlio Gruzmán | .3834 | 2017 | |
| 34 | Wilfred McLaughlin# | .3768 | 2021 | |
| 35 | Michael Greene# | .3722 | 2022 | |
| 36 | Wilfred McLaughlin# | .3721 | 2022 | |
| 37 | Ron Bascombe# | .3716 | 2018 | |
| 38 | Earl Ellis | .3712 | 2013 | |
| 39 | Wilfred McLaughlin# | .3689 | 2023 | |
| 40 | Michael Greene# | .3688 | 2023 | |
| 41 | Curt Webb# | .3687 | 2019 | |
| 42 | José Alonso# | .3682 | 2023 | |
| 43 | Júlio Gruzmán | .3657 | 2015 | |
| 44 | Júlio Gruzmán | .3656 | 2013 | |
| 45 | Aukukero Mincarlie | .3631 | 2013 | |
| 46 | Júlio Gruzmán | .3584 | 2019 | |
| 47 | Leonardo López# | .3582 | 2013 | |
| 48 | Júlio Gruzmán | .3575 | 2018 | |
| 49 | Taikan Miura | .3574 | 2016 | |
| 50 | Júlio Gruzmán | .3559 | 2016 | |
| 51 | John Downing# | .3557 | 2021 | |
| 52 | Albert Morán# | .3503 | 2021 | |
| 53 | Taikan Miura | .3489 | 2017 | |
| 54 | Albert Morán# | .3486 | 2019 | |
| 55 | Jorge Lucero | .3463 | 2014 | |
| 56 | Héctor Cortéz# | .3459 | 2020 | |
| 57 | Jeffrey Barker | .3453 | 2016 | |
| 58 | Júlio Gruzmán | .3446 | 2014 | |
| 59 | Albert Morán# | .3439 | 2020 | |
| 60 | Robbie Roach# | .3391 | 2019 | |
| 61 | Joey Jones# | .3388 | 2022 | |
| 62 | Joey Jones# | .3385 | 2023 | |
| 63 | Yong-oon Yi# | .3349 | 2018 | |
| 64 | Taikan Miura | .3254 | 2018 | |
| 65 | Neil Lawson# | .3248 | 2023 | |
| 66 | Sinclair van Kooten# | .3229 | 2019 | |
| 67 | Julián Guzmán | .3213 | 2013 | |
| 68 | Taikan Miura | .3195 | 2019 | |
| 69 | Leonardo López# | .3194 | 2014 | |
| 70 | Keith Best# | .3114 | 2022 | |
| 71 | Carroll Martin# | .3108 | 2023 | |
| 72 | Alfredo Pérez | .3092 | 2017 | |
| 73 | Jeffrey Barker | .3085 | 2017 | |
| 74 | Daniel Lallanilla | .3068 | 2020 | |
| 75 | Steve Ingram# | .3063 | 2015 | |
| 76 | Rick Atkinson# | .3003 | 2022 | |
| 77 | Bernalldo Bessa | .2998 | 2013 | |
| 78 | Alan Elder# | .2944 | 2023 | |
| 79 | Emílio Sáenz# | .2915 | 2020 | |
| 80 | Roberto Rodríguez | .2793 | 2019 | |
| 81 | Joey Morgan# | .2701 | 2022 |
