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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OSLG | YEAR | Open Postseason Career Leaderboard |
|---|---|---|---|---|
| 1 | Parker Markel | .1711 | 2014 | |
| 2 | Kevin McAvoy | .3103 | 2018 | |
| 3 | Yefry Ramirez | .3148 | 2017 | |
| 4 | Tanner Peters | .3288 | 2014 | |
| 5 | Tanner Peters | .3810 | 2013 | |
| 6 | Andrew Church | .3833 | 2015 | |
| 7 | Miguel Celestino | .3939 | 2013 | |
| 8 | Matt Brazis | .4167 | 2013 | |
| 9 | Jesse Biddle | .4948 | 2013 | |
| 10 | Jake Stinnett | .5238 | 2018 | |
| 11 | Connor Thomas# | .5507 | 2021 |
