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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Jose Iglesias | 1.066 | 2015-2019 | |
| 2 | Andrelton Simmons | 1.057 | 2015-2021 | |
| 3 | Tremaine Spears# | 1.051 | 2020-2025 | |
| 4 | Gavin Lux# | 1.050 | 2020-2025 | |
| 5 | Didi Gregorius | 1.036 | 2015-2024 | |
| 6 | Richie Martin# | 1.034 | 2018-2025 | |
| 7 | Nick Gordon# | 1.030 | 2017-2025 | |
| 8 | Francisco Lindor# | 1.029 | 2015-2025 | |
| 8 | Luis Sardinas | 1.029 | 2016-2021 | |
| 10 | J.P. Crawford# | 1.024 | 2015-2025 | |
| 10 | Jurickson Profar | 1.024 | 2015-2024 | |
| 10 | Tyler Malone# | 1.024 | 2019-2025 | |
| 13 | Ismaldo Rodriguez | 1.023 | 2022-2025 | |
| 14 | Dansby Swanson# | 1.022 | 2020-2025 | |
| 15 | Daniel Robertson# | 1.017 | 2018-2025 | |
| 16 | Franklin Barreto# | 1.015 | 2016-2025 | |
| 16 | Addison Russell | 1.015 | 2016-2024 | |
| 18 | Troy Tulowitzki | 1.009 | 2015-2020 | |
| 18 | Brendan Rodgers# | 1.009 | 2019-2025 | |
| 20 | Héctor Romero# | 1.008 | 2023-2025 | |
| 21 | Tim Walter# | 1.004 | 2023-2025 | |
| 22 | Raul Mondesi# | 1.000 | 2019-2025 | |
| 23 | Carlos Correa# | .989 | 2015-2024 | |
| 24 | Jean Segura | .983 | 2015-2020 | |
| 25 | Ruddy Giron# | .976 | 2020-2025 | |
| 26 | Eugenio Suarez | .972 | 2018-2024 | |
| 27 | Alex Blandino# | .953 | 2018-2024 | |
| 28 | Odubel Herrera | .940 | 2016-2023 | |
| 28 | Rosell Herrera# | .940 | 2017-2025 |
