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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Motoyasu Matsushita | 1.126 | 2021-2027 | |
| 2 | Joe Osler# | 1.120 | 2024-2032 | |
| 3 | Mark O'Neil | 1.115 | 2019-2030 | |
| 4 | George Roberts | 1.098 | 2021-2024 | |
| 5 | Anthony Miller# | 1.090 | 2028-2032 | |
| 6 | Phil Decker | 1.088 | 2021-2027 | |
| 6 | Dan Allen | 1.088 | 2012-2021 | |
| 8 | Ray Larson | 1.085 | 2023-2027 | |
| 9 | Mark Connor | 1.075 | 2019-2026 | |
| 9 | Anastasio Buchanan# | 1.075 | 2020-2032 | |
| 11 | Pero Paolillo# | 1.074 | 2025-2031 | |
| 11 | Wilbert Fritz | 1.074 | 2017-2023 | |
| 13 | Jim Wood | 1.066 | 2021-2030 | |
| 14 | Yoshitoki Ichihara | 1.063 | 2015-2020 | |
| 15 | Leonard Polk | 1.058 | 2016-2022 | |
| 16 | Tak-hing Wang | 1.050 | 2023-2028 | |
| 17 | Jay Abrams | 1.045 | 2019-2022 | |
| 18 | Guillermo Luna# | 1.041 | 2021-2032 | |
| 19 | Wilford Thompson | 1.037 | 2017-2029 | |
| 20 | Kel Mack | 1.032 | 2018-2030 | |
| 21 | Denny Adams | 1.030 | 2016-2022 | |
| 22 | Wilford Greene | 1.029 | 2019-2025 | |
| 23 | Tony Rodríguez | 1.021 | 2014-2021 | |
| 23 | Wynn Rose | 1.021 | 2021-2027 | |
| 23 | Dominic Owens | 1.021 | 2018-2029 | |
| 26 | Lee Bruce | 1.019 | 2019-2026 | |
| 27 | Clinton Miller | 1.014 | 2021-2026 | |
| 27 | Orlando Colón | 1.014 | 2019-2027 | |
| 29 | Lester Thornton | 1.011 | 2018-2027 | |
| 30 | Chong-chun P'o | 1.008 | 2019-2030 | |
| 31 | Mark Thomas | 1.007 | 2015-2027 | |
| 32 | Danny Griggs | 1.003 | 2019-2029 | |
| 33 | Andrew Weber | 1.000 | 2019-2021 | |
| 34 | Tony Ward | .997 | 2020-2029 | |
| 35 | Blaine Turner | .996 | 2024-2029 | |
| 36 | Clarence Wicklund | .985 | 2014-2025 | |
| 37 | José Gonzáles | .981 | 2015-2025 | |
| 38 | Gilberto Germán | .975 | 2017-2030 | |
| 39 | Brant Lee | .974 | 2013-2020 | |
| 40 | Bryan Battle | .971 | 2026-2030 | |
| 41 | Jayin Sita# | .951 | 2023-2031 | |
| 42 | Germán Tovar | .945 | 2017-2028 | |
| 43 | Abdul-Muttalib Yunus# | .944 | 2024-2032 | |
| 44 | Masatake Ishii | .941 | 2021-2028 | |
| 45 | José Morín# | .936 | 2024-2032 | |
| 46 | Misao Kokawa | .933 | 2020-2025 | |
| 47 | Nobukazu Ogura | .928 | 2021-2026 | |
| 48 | Zhao-ying Gai# | .917 | 2024-2027 | |
| 49 | Sean Bryant | .912 | 2019-2029 | |
| 50 | Jared Johnson | .899 | 2018-2022 | |
| 51 | Geoffrey Jellineck | .888 | 2020-2028 | |
| 52 | Kumar Hament | .866 | 2023-2025 | |
| 53 | Alvin Carter | .865 | 2019-2027 | |
| 54 | Walter Steedman | .850 | 2024-2030 |
