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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Myron Rosenbalm | .4432 | 2030 | |
| 2 | Shojiro Ueda | .4416 | 2023 | |
| 3 | Jeff Rutherford | .4413 | 2023 | |
| 4 | Pedro Colón | .4374 | 2030 | |
| 5 | Fred Meyer | .4279 | 2023 | |
| 6 | Bob Maher | .4195 | 2028 | |
| 7 | Pepe Reyes | .4169 | 2025 | |
| 8 | Marcos Roa | .4157 | 2027 | |
| 9 | Ron Lawrence# | .4141 | 2038 | |
| 10 | Joe Karnowski | .4129 | 2036 | |
| 11 | Roberto Sánchez | .4122 | 2023 | |
| 12 | Alejandro Santiago | .4104 | 2029 | |
| 13 | Qing-nian Zexian# | .4087 | 2034 | |
| 14 | Mike Sanderson | .4068 | 2035 | |
| 15 | Raphaël Duval | .4058 | 2035 | |
| 16 | Ricardo Pacheco | .4046 | 2024 | |
| 17 | Lauren Hilfiker# | .4044 | 2036 | |
| 17 | Lupo Cotto# | .4044 | 2025 | |
| 19 | Vincent Klein | .4038 | 2030 | |
| 20 | Lowell Moon | .4037 | 2027 | |
| 21 | Ron Lawrence# | .4035 | 2037 | |
| 22 | Marcel Roks | .4024 | 2032 | |
| 23 | Christian Blair | .4018 | 2022 | |
| 24 | José Ortega | .3972 | 2022 | |
| 25 | Jiro Miyake# | .3946 | 2040 | |
| 26 | Christiaan Bunschoten# | .3922 | 2041 | |
| 27 | Andrew Hall | .3914 | 2023 | |
| 28 | Scott Britt | .3913 | 2023 | |
| 29 | Pedro Reyes | .3898 | 2032 | |
| 30 | Juan Arellano | .3888 | 2037 | |
| 31 | Pancho Coloma# | .3879 | 2038 | |
| 32 | Cory Hansen | .3872 | 2020 | |
| 33 | Scott Ramsey | .3867 | 2028 | |
| 34 | Joel Iyiegbuniwe# | .3856 | 2038 | |
| 35 | Dan Chrzan | .3846 | 2033 | |
| 35 | Chong-yee Au-Yong | .3846 | 2033 | |
| 35 | Howard Lee | .3846 | 2034 | |
| 38 | Nikolai Volkoff# | .3801 | 2038 | |
| 39 | Mike Cook | .3793 | 2022 | |
| 40 | Bill Chaundler# | .3788 | 2033 | |
| 41 | Greg Bugarin | .3787 | 2034 | |
| 42 | Dean Jackson# | .3784 | 2035 | |
| 43 | Eddie Sachs# | .3776 | 2030 | |
| 44 | Nikolai Volkoff# | .3775 | 2039 | |
| 45 | Myron Rosenbalm | .3764 | 2029 | |
| 46 | Ezequiel Oacia | .3758 | 2036 | |
| 47 | Jesús Reyes | .3730 | 2020 | |
| 48 | Dragoljub Kandic# | .3723 | 2038 | |
| 49 | Francisco Vargas# | .3722 | 2035 | |
| 50 | Domingo Trujillo | .3681 | 2035 | |
| 51 | Octávio Zúñiga | .3676 | 2021 | |
| 52 | Miguel Juárez | .3663 | 2020 | |
| 53 | Armando Pacheco | .3630 | 2033 | |
| 54 | Josip Primorac# | .3626 | 2038 | |
| 55 | Rubén Alvarado | .3625 | 2024 | |
| 56 | Alfredo Sánchez | .3621 | 2031 | |
| 57 | Pancho Coloma# | .3614 | 2039 | |
| 58 | Dawit Lihalakha | .3606 | 2026 | |
| 59 | Caspar Fewings# | .3605 | 2041 | |
| 60 | Carlos Rodríguez# | .3604 | 2034 | |
| 61 | Pat Geldart# | .3557 | 2040 | |
| 61 | John Thompson | .3557 | 2024 | |
| 61 | Chong-yee Au-Yong | .3557 | 2032 | |
| 64 | Ted Tullo | .3551 | 2031 | |
| 65 | Alejandro Garza | .3547 | 2029 | |
| 66 | Octávio Zúñiga | .3544 | 2022 | |
| 67 | Abraham Phelps | .3543 | 2030 | |
| 68 | Francisco Guerra | .3526 | 2031 | |
| 69 | Yoshiki Ito | .3513 | 2040 | |
| 70 | Nicodemo Nardone# | .3506 | 2040 | |
| 71 | Gerald Merendino | .3500 | 2029 | |
| 72 | Pancho Coloma# | .3491 | 2037 | |
| 73 | Jason Potter | .3488 | 2025 | |
| 74 | Shelby Loudenslager | .3485 | 2033 | |
| 75 | Ewan Manshert# | .3481 | 2038 | |
| 76 | Ricardo Franco | .3480 | 2023 | |
| 77 | Alec Hall# | .3475 | 2037 | |
| 77 | Paco Vásquez | .3475 | 2023 | |
| 79 | Jayden Laming | .3473 | 2031 | |
| 80 | Illarion Podmarkov# | .3466 | 2039 | |
| 81 | Juan Oleastro# | .3455 | 2041 | |
| 81 | Braxton Cottongame# | .3455 | 2038 | |
| 83 | Jihan Tuah# | .3440 | 2035 | |
| 84 | Ken Bone# | .3436 | 2028 | |
| 85 | Robert Shannon# | .3427 | 2041 | |
| 86 | José Zarate | .3424 | 2027 | |
| 87 | Takayuki Yoshikawa | .3423 | 2030 | |
| 88 | Lúcio López | .3421 | 2020 | |
| 89 | Alfredo Chávez | .3401 | 2022 | |
| 89 | Marcos Costa | .3401 | 2028 | |
| 91 | Bryan Decker | .3397 | 2036 | |
| 91 | Rafael Manawis# | .3397 | 2041 | |
| 93 | Jihan Tuah# | .3385 | 2034 | |
| 94 | José Bravo | .3374 | 2022 | |
| 95 | Bryan Decker | .3368 | 2037 | |
| 96 | Jason Slaybaugh# | .3364 | 2033 | |
| 97 | Mun-wah Law# | .3357 | 2032 | |
| 98 | Jorge Gómez | .3356 | 2030 | |
| 99 | José Medina | .3354 | 2034 | |
| 99 | Jeremy Pollock# | .3354 | 2039 |
