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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Anthony Servideo# | 1.142 | 2025 | |
| 2 | Jose Devers# | 1.127 | 2023 | |
| 3 | Miguel A. Hernandez# | 1.123 | 2023 | |
| 4 | Jeremy Pena# | 1.117 | 2021 | |
| 5 | Cadyn Grenier# | 1.116 | 2024 | |
| 6 | Cadyn Grenier# | 1.114 | 2025 | |
| 7 | Engelb Vielma | 1.113 | 2018 | |
| 8 | Eric Stamets | 1.094 | 2022 | |
| 9 | Franklin Arias# | 1.078 | 2026 | |
| 10 | Jeison Guzman# | 1.074 | 2024 | |
| 11 | Hak Ju Lee | 1.071 | 2014 | |
| 12 | Yadiel Rivera | 1.066 | 2014 | |
| 13 | Jose Barrero# | 1.060 | 2024 | |
| 14 | Gustavo Nunez | 1.054 | 2013 | |
| 15 | Joey Wong | 1.051 | 2014 | |
| 16 | Willengton Cruz | 1.048 | 2020 | |
| 17 | Ivan Castillo# | 1.046 | 2017 | |
| 17 | Jeison Guzman# | 1.046 | 2023 | |
| 19 | Sergio Alcantara# | 1.044 | 2020 | |
| 20 | Nick Gordon# | 1.039 | 2017 | |
| 21 | Jake Hager# | 1.037 | 2024 | |
| 22 | Derrik Gibson | 1.036 | 2014 | |
| 23 | Jiovanni Mier | 1.035 | 2015 | |
| 24 | Taylor Walls# | 1.034 | 2022 | |
| 25 | James Beresford | 1.032 | 2015 | |
| 25 | Santiago Espinal# | 1.032 | 2020 | |
| 25 | Jurickson Profar# | 1.032 | 2014 | |
| 28 | Jazz Chisholm# | 1.031 | 2020 | |
| 28 | Taylor Walls# | 1.031 | 2020 | |
| 28 | Carlos Penalver | 1.031 | 2019 | |
| 31 | Hector Gomez | 1.029 | 2016 | |
| 32 | Miguel A. Hernandez# | 1.028 | 2024 | |
| 32 | Miguel Rojas# | 1.028 | 2015 | |
| 34 | Sean Miller | 1.018 | 2018 | |
| 35 | James Beresford | 1.017 | 2013 | |
| 36 | Yadiel Rivera | 1.016 | 2018 | |
| 36 | Brayan Rocchio# | 1.016 | 2024 | |
| 38 | Mason McCoy# | 1.015 | 2022 | |
| 39 | Nicholas Shaw | 1.014 | 2015 | |
| 40 | Willi Castro# | 1.012 | 2019 | |
| 40 | A.J. Simcox | 1.012 | 2020 | |
| 42 | Devin Lohman | 1.010 | 2016 | |
| 43 | Nick Maton# | 1.006 | 2021 | |
| 44 | Trevor Story# | 1.003 | 2015 | |
| 44 | A.J. Simcox | 1.003 | 2019 | |
| 46 | Zach Walters | 1.000 | 2014 | |
| 47 | Zach Walters | 0.997 | 2013 | |
| 48 | Jordan Gore | 0.991 | 2020 | |
| 48 | Kelby Tomlinson | 0.991 | 2023 | |
| 48 | Justin Sellers | 0.991 | 2017 | |
| 51 | Taylor Walls# | 0.989 | 2024 | |
| 52 | Jack Lopez# | 0.986 | 2021 | |
| 52 | Nick Noonan | 0.986 | 2018 | |
| 52 | Jordan Gore | 0.986 | 2021 | |
| 55 | Franklin Barreto# | 0.985 | 2017 | |
| 56 | Giuseppe Papaccio | 0.983 | 2017 | |
| 57 | Oneil Cruz# | 0.979 | 2021 | |
| 58 | Yu Chang# | 0.978 | 2017 | |
| 59 | Scotty Burcham | 0.975 | 2022 | |
| 59 | Angel Aguilar | 0.975 | 2016 | |
| 61 | Mike Jarvis# | 0.962 | 2023 | |
| 62 | Jake Cronenworth# | 0.954 | 2020 | |
| 63 | Jack Blomgren# | 0.951 | 2025 | |
| 64 | Max Muncy# | 0.937 | 2025 | |
| 65 | Raynel Delgado# | 0.933 | 2023 | |
| 66 | Ramon Urias# | 0.903 | 2021 | |
| 67 | Andy Perez# | 0.000 | 2023 | |
| 67 | Andy Perez# | 0.000 | 2024 |
