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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Felipe Mendoza | 1.049 | 2016-2026 | |
| 2 | Richard Campion | 1.045 | 2012-2021 | |
| 3 | Thomas Sheppard | 1.038 | 2019-2027 | |
| 4 | Larry McCormick# | 1.035 | 2019-2035 | |
| 5 | Esteban Ordóñez | 1.031 | 2016-2033 | |
| 5 | António Venet# | 1.031 | 2027-2035 | |
| 7 | Luis Figueroa | 1.027 | 2020-2031 | |
| 7 | Darryl Fuller# | 1.027 | 2031-2035 | |
| 9 | Bruce Parker | 1.021 | 2011-2025 | |
| 10 | Basz Marievska# | 1.019 | 2027-2035 | |
| 11 | Tae-sang Pak# | 1.015 | 2027-2035 | |
| 12 | Eugene Alustiza | 1.003 | 2009-2021 | |
| 12 | Terry Hubbard | 1.003 | 2020-2028 | |
| 14 | George Labarre | 1.001 | 2012-2026 | |
| 15 | Mark Smith | .990 | 2021-2030 | |
| 16 | Joseph Barnett | .989 | 2014-2025 | |
| 17 | Ronald Quijada | .988 | 2007-2027 | |
| 17 | Sung-heun Hwa# | .988 | 2027-2035 | |
| 17 | Butch Patton | .988 | 2023-2030 | |
| 20 | Jorge Velázquez | .987 | 2017-2023 | |
| 21 | Bennie Stinson | .982 | 2017-2027 | |
| 22 | Tzu-hsia Wang# | .981 | 2028-2035 | |
| 23 | Ricardo Feliciano | .978 | 2026-2029 | |
| 24 | Andrés Velasco# | .970 | 2017-2034 | |
| 25 | Daniel Burdine | .969 | 2013-2025 | |
| 26 | Max Price# | .946 | 2027-2034 | |
| 27 | Kenneth Lea | .945 | 2015-2025 | |
| 28 | Katsuhiko Jouda | .938 | 2021-2033 | |
| 29 | Octavio Cabrales | .936 | 2011-2025 | |
| 30 | John Grondin* | .596 | 2013-2028 | |
| 31 | Albert Peavey | .000 | 2014-2020 |
