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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Kazuhiro Morita | 1.071 | 2021-2028 | |
| 2 | Rahimat Mash'al | 1.064 | 2025-2029 | |
| 3 | Abel Van Cleave | 1.037 | 2049-2056 | |
| 4 | Wilford Thompson | 1.033 | 2017-2029 | |
| 5 | Jason Rogers# | 1.020 | 2051-2057 | |
| 6 | Dave Lister | 1.012 | 2018-2032 | |
| 7 | Paul Howley | 1.007 | 2043-2052 | |
| 8 | Alex Fernandez | 0.998 | 2043-2051 | |
| 9 | Katsunan Mitzusaka | 0.997 | 2015-2024 | |
| 10 | Manny Durán | 0.990 | 2028-2035 | |
| 11 | Bill Bischof | 0.989 | 2045-2051 | |
| 12 | Raul Hundley# | 0.980 | 2047-2057 | |
| 13 | Albert Rivas | 0.978 | 2033-2045 | |
| 14 | Daniel Pumarejo | 0.949 | 2037-2047 | |
| 15 | Caleb Gant# | 0.938 | 2051-2057 | |
| 16 | Steve O'Farrell | 0.933 | 2021-2029 | |
| 17 | Rafael Cruz | 0.869 | 2024-2036 |
