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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OOPS | YEAR | Open Postseason Career Leaderboard |
|---|---|---|---|---|
| 1 | Kwang-hyun Kim# | .5366 | 2025 | |
| 2 | Corbin Martin# | .5647 | 2019 | |
| 3 | Maximo Castillo# | .5737 | 2023 | |
| 4 | Brian Flynn | .6021 | 2014 | |
| 5 | David Peterson# | .6039 | 2020 | |
| 6 | Tyler Alexander# | .6061 | 2024 | |
| 7 | Rubby de la Rosa# | .6090 | 2014 | |
| 8 | Brett Cecil | .6328 | 2013 | |
| 9 | Gabriel Ynoa | .6593 | 2017 | |
| 10 | Tobias Myers# | .6726 | 2024 | |
| 11 | John Gast | .6758 | 2017 | |
| 12 | Luke Weaver# | .6796 | 2021 | |
| 13 | Paolo Espino# | .6879 | 2017 | |
| 14 | Jack Patterson | .6905 | 2020 | |
| 15 | Mike Vinson | .7013 | 2016 | |
| 16 | Manny Banuelos# | .7208 | 2014 | |
| 17 | Jordan Lyles# | .7342 | 2017 | |
| 18 | Brent Honeywell Jr.# | .7420 | 2019 | |
| 19 | Randall Delgado | .7436 | 2013 | |
| 20 | Jose Alvarez | .7452 | 2014 | |
| 21 | Alex Cobb# | .7621 | 2013 | |
| 22 | Osvaldo Bido# | .7840 | 2024 | |
| 23 | Jakob Junis# | .7981 | 2024 | |
| 24 | Collin Wiles# | .8026 | 2023 | |
| 25 | Trevor Rogers# | .8230 | 2025 | |
| 26 | Jack Flaherty# | .8279 | 2018 | |
| 27 | Austen Williams | .8375 | 2020 | |
| 27 | Brooks Raley# | .8375 | 2016 | |
| 29 | Brian Matusz | .8376 | 2013 | |
| 30 | Emerson Hancock# | .8380 | 2023 | |
| 31 | Nathan Eovaldi# | .8419 | 2013 | |
| 32 | T.J. House | .8492 | 2017 | |
| 33 | Jesse Biddle | .8688 | 2015 | |
| 34 | Brady Rodgers | .8937 | 2017 | |
| 35 | Cody Morris# | .9035 | 2023 | |
| 36 | Nicholas Kingham | .9518 | 2015 | |
| 37 | Nick Travieso | 1.0206 | 2016 | |
| 38 | Jarred Cosart | 1.0889 | 2013 |
