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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Jan Laursen# | 1.147 | 2024 | |
| 2 | Jason Heyward | 1.115 | 2018 | |
| 3 | Jason Heyward | 1.114 | 2015 | |
| 4 | Jason Heyward | 1.113 | 2016 | |
| 4 | Oscar Taveras# | 1.113 | 2018 | |
| 6 | Jason Heyward | 1.108 | 2017 | |
| 7 | Reggie Pruitt# | 1.102 | 2023 | |
| 8 | Cord Sandberg# | 1.099 | 2022 | |
| 9 | Marcell Ozuna# | 1.094 | 2016 | |
| 10 | Oscar Taveras# | 1.089 | 2017 | |
| 11 | Jason Heyward | 1.087 | 2019 | |
| 11 | Cord Sandberg# | 1.087 | 2021 | |
| 13 | Reggie Pruitt# | 1.073 | 2022 | |
| 14 | Jorge Soler | 1.071 | 2016 | |
| 15 | Eric Gutiérrez# | 1.067 | 2023 | |
| 16 | Oscar Taveras# | 1.066 | 2016 | |
| 17 | Marcell Ozuna# | 1.065 | 2017 | |
| 18 | Cord Sandberg# | 1.064 | 2023 | |
| 19 | Jorge Soler | 1.063 | 2019 | |
| 20 | Rusney Castillo | 1.062 | 2016 | |
| 21 | Nomar Mazara# | 1.061 | 2020 | |
| 21 | Ronald Washington# | 1.061 | 2022 | |
| 23 | Bryce Harper# | 1.057 | 2022 | |
| 24 | Marcell Ozuna# | 1.056 | 2019 | |
| 25 | Bradley Zimmer# | 1.054 | 2020 | |
| 26 | Reggie Pruitt# | 1.053 | 2025 | |
| 26 | Giancarlo Stanton# | 1.053 | 2023 | |
| 28 | Oscar Taveras# | 1.052 | 2015 | |
| 29 | Bryce Harper# | 1.047 | 2019 | |
| 30 | Nomar Mazara# | 1.046 | 2018 | |
| 31 | Marcell Ozuna# | 1.045 | 2020 | |
| 31 | Alex Jackson# | 1.045 | 2023 | |
| 33 | Rusney Castillo | 1.044 | 2017 | |
| 34 | José Rivera# | 1.041 | 2024 | |
| 35 | Marcell Ozuna# | 1.040 | 2022 | |
| 35 | Alex Jackson# | 1.040 | 2019 | |
| 37 | Jorge Soler | 1.039 | 2017 | |
| 37 | Marcus Wilson# | 1.039 | 2021 | |
| 39 | Aaron Brown# | 1.038 | 2018 | |
| 39 | Michael Gettys# | 1.038 | 2024 | |
| 39 | Nomar Mazara# | 1.038 | 2022 | |
| 42 | Grant Burton# | 1.037 | 2025 | |
| 42 | Reggie Pruitt# | 1.037 | 2024 | |
| 42 | Michael A. Taylor# | 1.037 | 2025 | |
| 45 | Bryce Harper# | 1.035 | 2021 | |
| 46 | Nomar Mazara# | 1.034 | 2019 | |
| 47 | Alex Verdugo# | 1.033 | 2021 | |
| 47 | Bryce Harper# | 1.033 | 2015 | |
| 49 | Ryan Johnson# | 1.031 | 2023 | |
| 50 | Bryce Harper# | 1.030 | 2016 | |
| 50 | Alfredo Despaigne | 1.030 | 2015 | |
| 52 | Marcell Ozuna# | 1.029 | 2021 | |
| 53 | Giancarlo Stanton# | 1.028 | 2022 | |
| 53 | Marcell Ozuna# | 1.028 | 2018 | |
| 55 | Nomar Mazara# | 1.027 | 2023 | |
| 55 | Michael Gettys# | 1.027 | 2025 | |
| 55 | Rusney Castillo | 1.027 | 2018 | |
| 58 | Giancarlo Stanton# | 1.025 | 2021 | |
| 59 | Bryce Harper# | 1.024 | 2023 | |
| 59 | Alex Verdugo# | 1.024 | 2020 | |
| 61 | Randal Grichuk | 1.022 | 2015 | |
| 62 | Michael Gettys# | 1.021 | 2023 | |
| 63 | Eric Gutiérrez# | 1.020 | 2024 | |
| 64 | Ryosuke Ogata# | 1.019 | 2025 | |
| 65 | Michael Gettys# | 1.018 | 2022 | |
| 66 | Jacob Allred# | 1.017 | 2024 | |
| 66 | Ryan Braun | 1.017 | 2015 | |
| 68 | Bryce Harper# | 1.016 | 2017 | |
| 69 | Yasiel Puig# | 1.015 | 2019 | |
| 70 | Jay Bruce | 1.012 | 2015 | |
| 70 | Nomar Mazara# | 1.012 | 2017 | |
| 70 | Eric Gutiérrez# | 1.012 | 2025 | |
| 73 | Bradley Zimmer# | 1.010 | 2021 | |
| 74 | Nomar Mazara# | 1.009 | 2021 | |
| 75 | Alfredo Despaigne | 1.008 | 2016 | |
| 75 | Mitch Hansen# | 1.008 | 2024 | |
| 77 | Austin Meadows# | 1.006 | 2024 | |
| 78 | Manny Sanchez# | 1.005 | 2022 | |
| 79 | Yasiel Puig# | 1.004 | 2015 | |
| 79 | Giancarlo Stanton# | 1.004 | 2015 | |
| 81 | Yasiel Puig# | 1.002 | 2017 | |
| 82 | Nomar Mazara# | 1.001 | 2025 | |
| 83 | Bryce Harper# | 0.999 | 2018 | |
| 84 | Jorge Soler | 0.998 | 2018 | |
| 85 | Nomar Mazara# | 0.997 | 2024 | |
| 86 | Yonathan Estiwal# | 0.996 | 2025 | |
| 86 | Jake Miknis# | 0.996 | 2025 | |
| 88 | Byron Buxton# | 0.994 | 2024 | |
| 88 | Marcell Ozuna# | 0.994 | 2023 | |
| 90 | Manny Sanchez# | 0.993 | 2023 | |
| 90 | Alex Jackson# | 0.993 | 2022 | |
| 90 | Bradley Zimmer# | 0.993 | 2022 | |
| 90 | Chandler Taylor | 0.993 | 2022 | |
| 94 | Shoeless Joe Jackson# | 0.991 | 2020 | |
| 95 | George Springer | 0.990 | 2020 | |
| 96 | Bradley Zimmer# | 0.988 | 2023 | |
| 97 | Bradley Zimmer# | 0.986 | 2025 | |
| 97 | Marcell Ozuna# | 0.986 | 2024 | |
| 99 | Drew Vettleson | 0.985 | 2017 | |
| 100 | Wil Myers# | 0.984 | 2018 |
