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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Tetsu Nishimura# | .6229 | 2012-2012 | |
| 2 | Kohei Takeuchi# | .6097 | 2013-2013 | |
| 3 | Toyoharu Okumiya | .6078 | 2013-2013 | |
| 4 | Satoshi Kubota# | .5607 | 2016-2016 | |
| 5 | Hyosuke Ishii | .5505 | 2015-2015 | |
| 6 | Takenao Ono | .5228 | 2014-2014 | |
| 7 | Yasuhide Daikawa# | .5156 | 2016-2016 | |
| 8 | Junji Kichida# | .5125 | 2015-2015 | |
| 9 | Katsumoto Nakayama# | .5074 | 2014-2014 | |
| 10 | Taki Wada# | .4930 | 2014-2014 | |
| 11 | Kensaku Takahashi# | .4847 | 2016-2016 | |
| 12 | Tenshin Suto# | .4766 | 2017-2017 | |
| 13 | Toyoaki Ishikawa# | .4699 | 2015-2015 | |
| 14 | Robun Tanaka | .4639 | 2013-2013 | |
| 15 | Takuma Kobayashi | .4602 | 2013-2013 | |
| 16 | Sadao Ando | .4412 | 2015-2015 | |
| 17 | Ryozo Daikawa | .4406 | 2013-2013 | |
| 18 | Hidekazu Watanabe | .4341 | 2012-2012 | |
| 18 | Konosuke Watanabe | .4341 | 2014-2014 | |
| 20 | Ichizo Hirose | .4256 | 2012-2012 | |
| 21 | Nakazo Sugano# | .4153 | 2016-2016 | |
| 22 | Azumamaro Suzuki# | .4064 | 2017-2017 | |
| 23 | Sekien Ohashi# | .4051 | 2014-2014 | |
| 24 | Yachi Okamoto# | .4042 | 2016-2016 | |
| 25 | Takanori Higashi# | .4036 | 2012-2012 | |
| 26 | Sozen Ito | .3950 | 2015-2015 | |
| 27 | Yoshihito Tanabe | .3948 | 2013-2013 | |
| 28 | Toyokuni Kiyomizu | .3939 | 2015-2015 | |
| 29 | Katsunosuki Yamada | .3895 | 2013-2013 | |
| 30 | Koki Ageda | .3849 | 2015-2015 | |
| 31 | Kichibei Kato | .3844 | 2012-2012 | |
| 32 | Taizo Kimura | .3802 | 2014-2014 | |
| 33 | Takeichi Kimura | .3750 | 2013-2013 | |
| 34 | Tadanobu Hayagawa | .3731 | 2012-2012 | |
| 35 | Yoshimune Nakanishi | .3660 | 2014-2014 | |
| 36 | Josuke Kawano | .3575 | 2015-2015 | |
| 37 | Tsuneyo Matsuura# | .3558 | 2016-2016 | |
| 38 | Nobuo Sugahara | .3512 | 2014-2014 | |
| 39 | Toyotomi Takeuchi# | .3489 | 2014-2014 | |
| 40 | Ichizo Sato# | .3475 | 2015-2015 | |
| 41 | Tokugawa Ogawa# | .3355 | 2016-2016 | |
| 42 | Kijuro Seki | .3290 | 2015-2015 | |
| 43 | Kyoichi Jouda# | .3279 | 2016-2016 | |
| 44 | Ryuzaburo Tanaka | .3269 | 2014-2014 | |
| 45 | Takafumi Maruyama# | .3256 | 2016-2016 | |
| 46 | Daisuke Watanabe | .3244 | 2015-2015 | |
| 47 | Ken'ichi Kono | .3168 | 2013-2013 | |
| 48 | Toyokazu Miyake | .3156 | 2013-2013 | |
| 48 | Eisaku Matsuura | .3156 | 2015-2015 | |
| 50 | Kijuro Yamada | .3014 | 2014-2014 | |
| 51 | Kiyonori Saito# | .3009 | 2016-2016 | |
| 52 | Hiroji Sugahara | .2730 | 2014-2014 | |
| 53 | Shinichi Nishida# | .2717 | 2016-2016 | |
| 54 | Kazunari Takahashi | .2700 | 2013-2013 |
