 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OSLG | YEAR | Open Postseason Career Leaderboard |
|---|---|---|---|---|
| 1 | David Buchanan# | .2468 | 2021 | |
| 2 | Casey Kelly# | .2727 | 2021 | |
| 3 | Luis Perdomo# | .2885 | 2017 | |
| 4 | Josh James# | .3286 | 2020 | |
| 5 | Julio Teheran | .3370 | 2013 | |
| 6 | Jhony Brito# | .3378 | 2024 | |
| 6 | Danny Salazar | .3378 | 2014 | |
| 8 | Carlos Rodon# | .3433 | 2017 | |
| 9 | Alex Meyer | .3594 | 2014 | |
| 10 | Roberto Perez | .3621 | 2017 | |
| 11 | Carlos Rodon# | .3662 | 2016 | |
| 12 | Ryne Nelson# | .3898 | 2023 | |
| 13 | Grayson Long | .4143 | 2018 | |
| 14 | Madison Bumgarner | .4154 | 2013 | |
| 15 | Clay Buchholz | .4545 | 2013 | |
| 16 | Jeremy Hefner | .4821 | 2013 | |
| 17 | Jake Thompson | .4857 | 2020 | |
| 18 | Anthony DeSclafani# | .5060 | 2016 | |
| 19 | Miguel A. Gonzalez | .5135 | 2014 | |
| 20 | Miguel A. Gonzalez | .5526 | 2016 | |
| 21 | Austin Pruitt# | .5634 | 2021 | |
| 22 | Robbie Erlin# | .5761 | 2014 |
