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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 | Albert Morán* | .4559 | 2024 | |
| 3 | Christian Walls | .4559 | 2014 | |
| 5 | Tony Dyer* | .4547 | 2014 | |
| 6 | Christian Walls | .4543 | 2015 | |
| 7 | John Downing* | .4521 | 2014 | |
| 8 | Tony Dyer* | .4476 | 2018 | |
| 9 | John Downing* | .4458 | 2019 | |
| 10 | Christian Walls | .4449 | 2016 | |
| 11 | Tony Dyer* | .4439 | 2016 | |
| 12 | Tony Dyer* | .4292 | 2017 | |
| 13 | Robbie Roach | .4273 | 2016 | |
| 14 | John Downing* | .4225 | 2015 | |
| 15 | Tony Dyer* | .4224 | 2013 | |
| 16 | John Downing* | .4190 | 2016 | |
| 17 | Tony Dyer* | .4158 | 2019 | |
| 18 | Ta-hye Keng | .4148 | 2055 | |
| 19 | Tae-cho Han | .4140 | 2036 | |
| 20 | Urs van Munster | .4137 | 2034 | |
| 21 | Joey Coco* | .4130 | 2040 | |
| 22 | Albert Morán* | .4126 | 2023 | |
| 23 | Tom Bleasdale# | .4124 | 2052 | |
| 24 | Tony Dyer* | .4111 | 2015 | |
| 25 | Robbie Roach | .4089 | 2017 | |
| 26 | Kanko Umaba* | .4085 | 2039 | |
| 27 | Urs van Munster | .4072 | 2031 | |
| 28 | Wilfred McLaughlin* | .4052 | 2020 | |
| 29 | Albert Morán* | .4040 | 2022 | |
| 30 | John Downing* | .4032 | 2018 | |
| 31 | Quincy Wass | .4027 | 2044 | |
| 32 | Joseph Papasogli | .4005 | 2037 | |
| 33 | Michael Greene* | .4000 | 2018 | |
| 34 | Roberto Soto# | .3991 | 2057 | |
| 34 | John Downing* | .3991 | 2013 | |
| 36 | Robert Bond | .3984 | 2014 | |
| 37 | Wilfred McLaughlin* | .3982 | 2025 | |
| 38 | Arturo Hernández | .3971 | 2015 | |
| 39 | Christian Walls | .3960 | 2017 | |
| 40 | Benno Luby | .3954 | 2041 | |
| 41 | Benedito Ahulani | .3947 | 2048 | |
| 42 | Jonathan Gunner | .3927 | 2039 | |
| 43 | Jonathan Gunner | .3914 | 2038 | |
| 44 | Jae-seop Byeon | .3913 | 2045 | |
| 45 | Neil Lawson | .3900 | 2022 | |
| 46 | Jonathan Gunner | .3890 | 2037 | |
| 47 | John Downing* | .3880 | 2020 | |
| 48 | Eisse van Opdorp | .3878 | 2041 | |
| 49 | Arturo Hernández | .3874 | 2014 | |
| 49 | Benno Luby | .3874 | 2046 | |
| 51 | Earl Ellis | .3871 | 2014 | |
| 52 | Jorge Napolez | .3835 | 2046 | |
| 53 | Júlio Gruzmán | .3834 | 2017 | |
| 54 | Rubén Nuañez | .3830 | 2048 | |
| 55 | Francisco García | .3825 | 2029 | |
| 56 | Jorge Napolez | .3819 | 2047 | |
| 57 | Jorge Beguer# | .3814 | 2055 | |
| 58 | Kanko Umaba* | .3804 | 2037 | |
| 59 | Urs van Munster | .3796 | 2032 | |
| 60 | Rubén Nuañez | .3794 | 2049 | |
| 61 | Quincy Wass | .3780 | 2043 | |
| 61 | John Wilkerson | .3780 | 2049 | |
| 63 | Juan Raspaldo# | .3777 | 2059 | |
| 64 | Wilfred McLaughlin* | .3768 | 2021 | |
| 65 | Koryusai Ohayashi | .3763 | 2047 | |
| 66 | Albert Morán* | .3754 | 2027 | |
| 67 | Nathan Tanner* | .3753 | 2027 | |
| 68 | Ishaan Swan# | .3742 | 2051 | |
| 69 | Janpey Kille# | .3741 | 2062 | |
| 70 | Benno Luby | .3740 | 2043 | |
| 71 | Urs van Munster | .3738 | 2038 | |
| 72 | Tae-cho Han | .3736 | 2035 | |
| 73 | Obke Veenman# | .3733 | 2051 | |
| 74 | Dídac Nores | .3732 | 2043 | |
| 75 | Michael Greene* | .3722 | 2022 | |
| 76 | Wilfred McLaughlin* | .3721 | 2022 | |
| 76 | Feitze Lammers# | .3721 | 2057 | |
| 78 | Takashi Noda | .3716 | 2034 | |
| 78 | Ron Bascombe | .3716 | 2018 | |
| 80 | Earl Ellis | .3712 | 2013 | |
| 81 | Albert Morán* | .3710 | 2025 | |
| 82 | Roberto Soto# | .3706 | 2059 | |
| 82 | Manuel Carmona | .3706 | 2034 | |
| 84 | Shu-yaan Hor# | .3696 | 2060 | |
| 84 | Janpey Kille# | .3696 | 2061 | |
| 86 | Ta-hye Keng | .3690 | 2054 | |
| 87 | Wilfred McLaughlin* | .3689 | 2023 | |
| 88 | Michael Greene* | .3688 | 2023 | |
| 89 | Curt Webb | .3687 | 2019 | |
| 90 | Nathan Tanner* | .3680 | 2026 | |
| 91 | Urs van Munster | .3679 | 2033 | |
| 92 | Jonathan Gunner | .3673 | 2041 | |
| 93 | Always Wright | .3669 | 2058 | |
| 94 | Albert Morán* | .3668 | 2026 | |
| 95 | Willie McGirt | .3658 | 2037 | |
| 96 | Júlio Gruzmán | .3657 | 2015 | |
| 97 | Júlio Gruzmán | .3656 | 2013 | |
| 98 | Ramón Rodríguez | .3647 | 2042 | |
| 99 | Joey Coco* | .3645 | 2038 | |
| 100 | Rubén Nuañez | .3641 | 2057 |
