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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Kevin Kiermaier | 1.069 | 2015-2019 | |
| 2 | Trent Clark# | 1.056 | 2018-2025 | |
| 2 | Manuel Margot# | 1.056 | 2019-2025 | |
| 4 | Dazmon Cameron# | 1.055 | 2018-2025 | |
| 4 | Billy Hamilton | 1.055 | 2015-2023 | |
| 6 | Tris Speaker# | 1.043 | 2020-2025 | |
| 6 | Michael A. Taylor# | 1.043 | 2016-2025 | |
| 8 | Nicholos Hamilton# | 1.033 | 2020-2025 | |
| 8 | Mike Trout# | 1.033 | 2015-2025 | |
| 10 | Jacob Allred# | 1.029 | 2022-2025 | |
| 11 | Matt McPhearson# | 1.025 | 2020-2025 | |
| 12 | Dan McGill# | 1.024 | 2021-2025 | |
| 12 | Mallex Smith# | 1.024 | 2015-2025 | |
| 14 | Bob Russell# | 1.012 | 2023-2025 | |
| 15 | Carlos Gomez | 1.011 | 2015-2017 | |
| 16 | Andrew McCutchen | 1.009 | 2015-2019 | |
| 16 | Jacoby Ellsbury | 1.009 | 2015-2019 | |
| 18 | Anthony Gose | 1.004 | 2016-2020 | |
| 19 | Michael Gettys# | 1.002 | 2018-2025 | |
| 20 | Mitch Hansen# | .992 | 2018-2025 | |
| 21 | Grant Burton# | .990 | 2022-2025 | |
| 22 | Adam Eaton | .982 | 2015-2021 | |
| 23 | Byron Buxton# | .978 | 2016-2025 | |
| 24 | Aaron Hicks | .976 | 2016-2021 | |
| 25 | Raimel Tapia# | .968 | 2018-2025 | |
| 26 | Alex Verdugo# | .966 | 2018-2025 | |
| 27 | Brandon Nimmo | .956 | 2015-2023 | |
| 28 | Ronald Washington# | .955 | 2021-2025 | |
| 29 | George Springer | .954 | 2015-2024 | |
| 30 | Ryosuke Ogata# | .951 | 2019-2025 | |
| 31 | Jacob Hannemann# | .946 | 2017-2025 |
