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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Alex Gordon | 1.113 | 2015-2022 | |
| 2 | Oscar Taveras# | 1.074 | 2015-2025 | |
| 3 | Christian Yelich | 1.068 | 2015-2024 | |
| 4 | Jeff Lynch# | 1.067 | 2022-2025 | |
| 5 | Matt McPhearson# | 1.051 | 2020-2025 | |
| 6 | Dazmon Cameron# | 1.047 | 2018-2025 | |
| 7 | Stephen Piscotty | 1.046 | 2015-2021 | |
| 8 | Alex Jackson# | 1.042 | 2017-2025 | |
| 9 | Raimel Tapia# | 1.039 | 2018-2025 | |
| 10 | Gregory Polanco# | 1.038 | 2015-2025 | |
| 11 | Steven Souza Jr. | 1.035 | 2015-2023 | |
| 12 | Yoenis Cespedes | 1.032 | 2015-2021 | |
| 13 | Joc Pederson# | 1.031 | 2015-2025 | |
| 14 | Billy McKinney# | 1.027 | 2016-2024 | |
| 15 | Blake Rutherford# | 1.023 | 2020-2025 | |
| 16 | Carlos Gonzalez | 1.018 | 2015-2021 | |
| 17 | Jesse Winker# | 1.015 | 2015-2025 | |
| 18 | Bryce Harper# | 1.012 | 2015-2025 | |
| 19 | Victor Roache# | 1.010 | 2017-2025 | |
| 20 | Giancarlo Stanton# | 1.009 | 2015-2025 | |
| 21 | Babe Ruth# | 1.002 | 2021-2025 | |
| 21 | Michael Brantley | 1.002 | 2015-2021 | |
| 23 | Brett Phillips# | 1.000 | 2018-2025 | |
| 24 | Justin Upton | .997 | 2015-2019 | |
| 24 | Marcus Wilson# | .997 | 2021-2025 | |
| 26 | Shawn Brogan | .993 | 2018-2023 | |
| 27 | Corey Dickerson | .988 | 2015-2023 | |
| 28 | Danry Vasquez# | .980 | 2017-2025 | |
| 29 | George Springer | .975 | 2015-2024 | |
| 30 | Carl Crawford | .972 | 2015-2018 | |
| 31 | Shohei Otani# | .968 | 2019-2025 | |
| 32 | Yasiel Puig# | .965 | 2015-2025 | |
| 33 | Jaff Decker | .959 | 2015-2024 | |
| 34 | Yasmany Tomas | .947 | 2016-2023 | |
| 35 | Matt Kemp | .941 | 2015-2022 | |
| 36 | Dalton Kelly# | .939 | 2020-2025 |
