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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Ron Miller | .4283 | 2007-2018 | |
| 2 | Jair Horton | .4253 | 2022-2031 | |
| 3 | J.P. Loesch | .4246 | 1998-2012 | |
| 4 | Takenao Hasegawa | .4133 | 1989-2003 | |
| 5 | Jonathan Alonzo | .3944 | 2006-2018 | |
| 6 | Andrew Oliger | .3938 | 2042-2050 | |
| 7 | Matthew Kearse | .3902 | 2033-2041 | |
| 8 | Owen Batten# | .3884 | 2046-2058 | |
| 9 | Antonio Boyle# | .3712 | 2049-2060 | |
| 10 | Evan Goddard | .3586 | 2043-2054 | |
| 11 | Bud Ervin | .3564 | 2038-2051 | |
| 12 | Rickey Woods | .3561 | 2022-2031 | |
| 13 | Jim Arvin# | .3545 | 2049-2060 | |
| 14 | Steven Bennett | .3533 | 1997-2009 | |
| 15 | Jamie Frazier | .3470 | 2014-2024 | |
| 16 | Enrique Lepe | .3414 | 2013-2021 | |
| 17 | Jamie Farmer | .3407 | 2021-2031 | |
| 18 | Terry Merwin | .3396 | 2009-2017 | |
| 19 | Damian Anderson | .3373 | 2000-2009 | |
| 20 | Dane Stanton | .3361 | 1992-2002 | |
| 21 | Darryl Edgar | .3341 | 1992-2000 | |
| 22 | Alex Maldonado | .3329 | 2012-2022 | |
| 23 | Antonio Vargas | .3173 | 2006-2018 | |
| 24 | Leo Angeles | .3172 | 2011-2019 | |
| 25 | Frank Kimery# | .3169 | 2050-2058 | |
| 26 | Jaiden Kelly | .3082 | 2035-2042 | |
| 27 | Frederic Mavromihali | .2994 | 2045-2055 | |
| 28 | Travis Johnson | .2977 | 1992-2008 | |
| 29 | Rufus Cartellieri# | .2716 | 2048-2060 |
