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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OSLG | YEAR | Open Postseason Career Leaderboard |
|---|---|---|---|---|
| 1 | Sandy Koufax# | .2203 | 2014 | |
| 2 | Red Ruffing# | .2360 | 2014 | |
| 3 | Dazzy Vance# | .3438 | 2014 | |
| 4 | Ron Guidry# | .3535 | 2014 | |
| 5 | Orel Hershiser# | .3582 | 2014 | |
| 6 | J R Richard# | .3704 | 2014 | |
| 7 | Babe Ruth# | .3750 | 2014 | |
| 8 | Satchel Paige# | .3913 | 2014 | |
| 9 | Don Sutton# | .3933 | 2014 | |
| 10 | Andy Porter# | .4267 | 2014 | |
| 11 | Lefty Gomez# | .4286 | 2014 | |
| 12 | Joe Niekro# | .4839 | 2014 | |
| 13 | Gerrit Cole# | .5067 | 2014 |
