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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | David Potts | 1.112 | 2020-2026 | |
| 2 | Morten Alexander | 1.091 | 2022-2027 | |
| 3 | Carlos Ortega# | 1.079 | 2028-2032 | |
| 4 | Ha-ro Yong | 1.073 | 2024-2027 | |
| 5 | Steve Schneider# | 1.062 | 2026-2031 | |
| 6 | Roy Nichols | 1.060 | 2016-2024 | |
| 6 | Luka Zharnov | 1.060 | 2023-2027 | |
| 8 | Dave McLaughlin | 1.059 | 2017-2022 | |
| 9 | Zhi-gang Ou-yang | 1.057 | 2026-2030 | |
| 10 | Teruo Suzuki | 1.056 | 2017-2021 | |
| 11 | Nick Johnson | 1.055 | 2012-2014 | |
| 12 | Sean Dunbar | 1.049 | 2018-2022 | |
| 13 | Tae-kyun Hong# | 1.048 | 2023-2032 | |
| 14 | Mike Jahn | 1.047 | 2020-2027 | |
| 15 | Manny Gonzáles# | 1.046 | 2029-2032 | |
| 16 | Jeffrey Wright | 1.044 | 2016-2022 | |
| 17 | Terry Briggs | 1.043 | 2018-2027 | |
| 18 | Cornell Frank | 1.042 | 2022-2028 | |
| 19 | Pete West | 1.041 | 2020-2027 | |
| 20 | Kazuyoshi Takahashi# | 1.039 | 2022-2026 | |
| 20 | Bo Bing | 1.039 | 2022-2025 | |
| 22 | Tsuneyo Nakagawa# | 1.038 | 2026-2028 | |
| 23 | Lawrence Fuller | 1.036 | 2018-2022 | |
| 24 | Félix Adame# | 1.034 | 2029-2032 | |
| 25 | Doug Daniels | 1.030 | 2018-2023 | |
| 25 | Michael Krause# | 1.030 | 2025-2027 | |
| 27 | Júlio Rodríguez | 1.026 | 2016-2019 | |
| 27 | Kenko Hori# | 1.026 | 2029-2032 | |
| 27 | Teju Radia | 1.026 | 2024-2029 | |
| 30 | Derek Wheeler# | 1.025 | 2025-2027 | |
| 31 | Akio Hara# | 1.023 | 2024-2031 | |
| 32 | Raúl Guzmán | 1.020 | 2018-2024 | |
| 33 | Narihira Rin | 1.018 | 2022-2025 | |
| 33 | John Howard# | 1.018 | 2025-2030 | |
| 35 | Dustin McMahon# | 1.017 | 2018-2021 | |
| 36 | Kwan-yew Cong | 1.013 | 2024-2029 | |
| 37 | Domingo Ochoa# | 1.012 | 2023-2028 | |
| 38 | Bob Cox | 1.011 | 2019-2024 | |
| 39 | Ángel Flores# | 1.009 | 2028-2031 | |
| 40 | Katsumoto Matsui | 1.007 | 2016-2019 | |
| 41 | Armando Escobar | 1.005 | 2021-2027 | |
| 41 | Ikki Kubota | 1.005 | 2019-2022 | |
| 43 | Yannick Ferraro | 1.000 | 2022-2028 | |
| 43 | Avitsit Yanamandra | 1.000 | 2019-2024 | |
| 45 | Gary Ferris | .999 | 2012-2022 | |
| 46 | Atsumori Sato | .994 | 2014-2016 | |
| 47 | Yasuhiro Nishimura# | .985 | 2029-2032 | |
| 48 | Anuvaha Tasha# | .981 | 2019-2022 | |
| 49 | Kuberabandhu Ghazali | .978 | 2020-2029 | |
| 50 | Yan Rossi# | .970 | 2026-2030 | |
| 51 | Shane Cooke | .957 | 2014-2018 | |
| 52 | Juan Enríquez | .953 | 2015-2021 | |
| 53 | Grégory Bonnel | .952 | 2025-2029 | |
| 54 | Dan Harris | .890 | 2015-2020 |
