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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Tetsui Takahashi# | .5058 | 2013-2013 | |
| 2 | Kensaku Mizoguchi# | .4953 | 2015-2015 | |
| 3 | Jiro Yamaguchi# | .4915 | 2014-2014 | |
| 4 | Kazunari Ueda# | .4894 | 2014-2014 | |
| 5 | Tetsuzan Daikawa | .4729 | 2016-2016 | |
| 6 | Juan Moreno# | .4655 | 2017-2018 | |
| 7 | Hideki Okamoto | .4644 | 2013-2013 | |
| 8 | Sadahige Taniguchi# | .4625 | 2017-2018 | |
| 9 | Kazuhiro Kojima# | .4592 | 2013-2013 | |
| 10 | Soshu Kitamura# | .4535 | 2013-2013 | |
| 11 | Naganori Okada | .4426 | 2016-2016 | |
| 12 | Sadao Koizumi# | .4377 | 2015-2015 | |
| 13 | Iemitsu Kitamura | .4356 | 2014-2014 | |
| 14 | Shigetaka Rin | .4317 | 2012-2012 | |
| 15 | Yoshiki Sasaki# | .4283 | 2013-2013 | |
| 16 | Octavio Rojas# | .4242 | 2012-2012 | |
| 17 | Kiril Pomortsev# | .4240 | 2017-2018 | |
| 18 | Akihisa Harada | .4232 | 2015-2015 | |
| 19 | Tagashashi Iwata | .4176 | 2012-2012 | |
| 20 | Kuemon Yasuda# | .4162 | 2014-2014 | |
| 21 | Kazutoshi Samurakami# | .4157 | 2013-2013 | |
| 22 | Yoshihito Agano | .4153 | 2013-2013 | |
| 23 | Yoshitaka Okubo | .4138 | 2014-2014 | |
| 24 | Toin Ishii | .4101 | 2015-2015 | |
| 25 | Kulaja Godambe# | .4070 | 2017-2018 | |
| 26 | Harumi Ine | .3989 | 2016-2016 | |
| 27 | Kenshin Toiguchi# | .3922 | 2014-2014 | |
| 28 | Eitoku Sasaki | .3905 | 2016-2016 | |
| 29 | Shusui Kikuchi# | .3793 | 2016-2016 | |
| 30 | Tokuma Takaki | .3768 | 2015-2015 | |
| 31 | Shotaro Fujii | .3762 | 2012-2012 | |
| 32 | Yoshihiro Inoue# | .3700 | 2012-2012 | |
| 33 | Tatsui Ikeda | .3652 | 2013-2013 | |
| 34 | Ichiro Iwata | .3620 | 2015-2015 | |
| 35 | Ramnarayan Sudha# | .3570 | 2017-2018 | |
| 36 | Yoshihide Kodama | .3564 | 2016-2016 | |
| 37 | Yodo Miyashita# | .3457 | 2012-2012 | |
| 38 | Yoshitora Watanabe | .3450 | 2014-2014 | |
| 39 | Yong Lei# | .3333 | 2017-2018 | |
| 40 | Dinh-Hy Nien# | .3265 | 2017-2018 | |
| 41 | Koki Nakayama | .3213 | 2012-2012 | |
| 42 | Yoshikazu Takahashi | .3212 | 2016-2016 | |
| 43 | Alfredo Pérez# | .3187 | 2017-2018 | |
| 44 | Shojiro Tamura | .3145 | 2016-2016 | |
| 45 | Shusaku Kikuchi | .3134 | 2015-2015 | |
| 46 | Yukio Yamada | .3075 | 2015-2015 | |
| 47 | Kiyomitsu Akiyama# | .3030 | 2016-2016 | |
| 48 | Qu-bing Tsang# | .3028 | 2017-2018 | |
| 49 | Mabuchi Onishi | .3014 | 2012-2012 | |
| 50 | Amberlan Jaca# | .2773 | 2017-2018 |
