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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Ryan Ritter# | 1.141 | 2024 | |
| 2 | Kyren Paris# | 1.128 | 2025 | |
| 3 | Yadiel Rivera | 1.098 | 2021 | |
| 4 | Alexis Pantoja | 1.090 | 2021 | |
| 5 | Osvaldo Abreu | 1.089 | 2022 | |
| 6 | Wilfredo Tovar | 1.085 | 2013 | |
| 7 | Edwin Arroyo# | 1.078 | 2024 | |
| 8 | Alexis Pantoja | 1.077 | 2020 | |
| 8 | Royce Lewis# | 1.077 | 2021 | |
| 10 | Ozzie Albies# | 1.076 | 2016 | |
| 11 | Luis Sardinas | 1.073 | 2014 | |
| 12 | Edwin Arroyo# | 1.072 | 2023 | |
| 12 | Marco Luciano# | 1.072 | 2024 | |
| 14 | Wilfredo Tovar | 1.071 | 2017 | |
| 15 | Alejandro Salazar | 1.068 | 2020 | |
| 15 | Luis Jean | 1.068 | 2019 | |
| 17 | Javy Guerra# | 1.060 | 2017 | |
| 18 | Tyler Saladino | 1.058 | 2015 | |
| 19 | Jorge Mateo# | 1.056 | 2017 | |
| 20 | Royce Lewis# | 1.055 | 2022 | |
| 21 | Daniel Castro# | 1.051 | 2023 | |
| 22 | Livan Soto# | 1.050 | 2022 | |
| 23 | Yeltsin Gudino | 1.048 | 2020 | |
| 24 | Alejandro Salazar | 1.047 | 2019 | |
| 25 | Shawn O'Malley | 1.045 | 2014 | |
| 26 | Emerson Jimenez | 1.044 | 2019 | |
| 27 | Eric Stamets | 1.043 | 2016 | |
| 28 | Bryson Stott# | 1.042 | 2021 | |
| 28 | J.P. Crawford# | 1.042 | 2015 | |
| 30 | Kaelen Culpepper# | 1.040 | 2025 | |
| 31 | Alex De Goti# | 1.039 | 2021 | |
| 32 | Jeter Downs# | 1.038 | 2020 | |
| 33 | Javy Guerra# | 1.036 | 2018 | |
| 33 | Gabriel Noriega | 1.036 | 2018 | |
| 33 | Omar Obregon | 1.036 | 2018 | |
| 33 | Brendan Rodgers# | 1.036 | 2018 | |
| 33 | Jason Martinson | 1.036 | 2013 | |
| 38 | Tyler Saladino | 1.030 | 2014 | |
| 39 | Royce Lewis# | 1.027 | 2019 | |
| 40 | Jeremy Eierman# | 1.026 | 2021 | |
| 40 | Jose Pirela# | 1.026 | 2013 | |
| 42 | Mikey White | 1.025 | 2017 | |
| 43 | Justin Bohn | 1.024 | 2015 | |
| 44 | Jeudy Valdez | 1.022 | 2016 | |
| 45 | Matt Wessinger | 1.021 | 2016 | |
| 45 | Tyler Wade# | 1.021 | 2017 | |
| 47 | Andrew Velazquez# | 1.020 | 2023 | |
| 48 | Ozzie Albies# | 1.018 | 2017 | |
| 49 | Cleuluis Rondon | 1.016 | 2016 | |
| 49 | Angel Ortega | 1.016 | 2019 | |
| 51 | Cleuluis Rondon | 1.015 | 2019 | |
| 52 | Audy Ciriaco | 1.011 | 2014 | |
| 53 | Jason Martinson | 1.009 | 2014 | |
| 54 | Aidan Miller# | 1.007 | 2025 | |
| 55 | Diego Goris | 1.004 | 2014 | |
| 55 | Trey Michalczewski | 1.004 | 2018 | |
| 57 | Felipe Blanco | 0.997 | 2016 | |
| 58 | Tim Locastro# | 0.993 | 2016 | |
| 59 | Jose Gomez# | 0.992 | 2020 | |
| 60 | Peter Van Gansen | 0.985 | 2020 | |
| 61 | C.J. Hinojosa# | 0.983 | 2017 | |
| 61 | Ruben Tejada | 0.983 | 2018 | |
| 63 | Nick Sogard# | 0.980 | 2022 | |
| 64 | Brandon Trinkwon | 0.976 | 2017 | |
| 64 | Ronny Mauricio# | 0.976 | 2021 | |
| 66 | Rick Hague | 0.970 | 2016 | |
| 67 | Rafael Ynoa | 0.968 | 2014 | |
| 68 | Ryan A. Howard | 0.961 | 2019 | |
| 68 | Tim Locastro# | 0.961 | 2017 | |
| 68 | Luis Carpio# | 0.961 | 2025 | |
| 71 | Juan Brito# | 0.960 | 2025 | |
| 72 | Jack Dunn# | 0.956 | 2025 | |
| 73 | Darren Baker# | 0.955 | 2023 | |
| 74 | Jax Biggers# | 0.952 | 2023 | |
| 74 | Zack Short# | 0.952 | 2020 | |
| 76 | Clay Dungan# | 0.949 | 2022 | |
| 77 | Michael Ahmed | 0.945 | 2019 | |
| 78 | Trevor Craport | 0.941 | 2021 | |
| 79 | Will Kengor | 0.936 | 2016 | |
| 80 | Ruben Tejada | 0.935 | 2019 | |
| 81 | Jonathan India# | 0.920 | 2020 | |
| 82 | Collin Burns# | 0.884 | 2024 | |
| 83 | Jackson Cluff# | 0.000 | 2022 | |
| 83 | Jackson Cluff# | 0.000 | 2023 |
