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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Naruhiko Kumagai | .5046 | 2013-2013 | |
| 2 | Ryu Nakamura# | .4776 | 2013-2013 | |
| 3 | Tetsu Yamada# | .4620 | 2015-2015 | |
| 4 | Shinsaku Kamida | .4610 | 2013-2013 | |
| 5 | Katsunan Fujimoto | .4562 | 2016-2016 | |
| 6 | Shunso Meshizuka# | .4524 | 2014-2014 | |
| 7 | Sachi Takahashi | .4497 | 2014-2014 | |
| 8 | Hayato Saito | .4493 | 2014-2014 | |
| 9 | Masahiko Nakamura | .4474 | 2015-2015 | |
| 10 | Shuncho Fujita | .4435 | 2012-2012 | |
| 11 | Shimpei Kamimura | .4408 | 2015-2015 | |
| 12 | Takanibu Kobayashi# | .4396 | 2012-2012 | |
| 13 | Norinaga Kondo# | .4395 | 2013-2013 | |
| 14 | Kichisaburo Komatsu | .4352 | 2016-2016 | |
| 15 | Yosai Aoyama# | .4330 | 2014-2014 | |
| 16 | Yasushi Kato# | .4191 | 2015-2015 | |
| 17 | Fernando Verrier# | .4143 | 2017-2018 | |
| 18 | Iemitsu Motsuzuki | .4071 | 2016-2016 | |
| 19 | Kimi Ohara | .4060 | 2016-2016 | |
| 20 | Dinh-Ty Tran-Thanh# | .3974 | 2017-2018 | |
| 21 | Yo Sasaki | .3947 | 2016-2016 | |
| 22 | Tokuhei Takuda# | .3932 | 2013-2013 | |
| 23 | Ketutra Mecca# | .3923 | 2017-2018 | |
| 24 | Keitaro Suzuki# | .3885 | 2013-2013 | |
| 25 | Shun Ushiyama | .3863 | 2013-2013 | |
| 26 | Norihisa Yamauchi# | .3829 | 2013-2013 | |
| 27 | Jorge Rodríguez# | .3799 | 2017-2018 | |
| 28 | Kata Oyama# | .3793 | 2012-2012 | |
| 29 | Toshikazu Nagai | .3789 | 2016-2016 | |
| 30 | Toru Masuda | .3784 | 2012-2012 | |
| 31 | Toshikasu Akiyama | .3782 | 2015-2015 | |
| 32 | Zi-xing Zhou# | .3771 | 2017-2018 | |
| 33 | Michihiro Okamoto# | .3760 | 2012-2012 | |
| 34 | Katsunan Sano | .3757 | 2014-2014 | |
| 35 | Yoriyuki Sanu | .3739 | 2015-2015 | |
| 36 | Imran Sadozai# | .3618 | 2017-2018 | |
| 37 | Guarçia Lages# | .3614 | 2017-2018 | |
| 38 | Balakrishnan Sreeram# | .3596 | 2017-2018 | |
| 39 | Senichi Iwata | .3571 | 2014-2014 | |
| 40 | Kiminobu Matsui | .3548 | 2015-2015 | |
| 41 | Isei Masuda | .3528 | 2016-2016 | |
| 42 | Hirofumi Rin | .3519 | 2016-2016 | |
| 43 | Makoto Ota# | .3512 | 2016-2016 | |
| 44 | Aki Maruyama | .3471 | 2016-2016 | |
| 45 | Tanyu Onodera | .3470 | 2016-2016 | |
| 46 | Tatsukichi Ohayashi# | .3458 | 2012-2012 | |
| 47 | Masakado Hirano# | .3439 | 2012-2012 | |
| 48 | Fikret Özergin# | .3425 | 2017-2018 | |
| 49 | Hirokazu Ito | .3241 | 2014-2014 | |
| 50 | Yoshihisa Mizuno | .3188 | 2012-2012 | |
| 50 | Yajirobei Hayagawa | .3188 | 2014-2014 | |
| 52 | Joji Ishihara | .3134 | 2015-2015 | |
| 53 | Tien-kai Lo# | .3111 | 2017-2018 | |
| 54 | Shosuke Shinohara | .2983 | 2012-2012 | |
| 55 | Kiyomori Tanaka | .2928 | 2016-2016 | |
| 56 | Tetsunori Ine | .2919 | 2016-2016 | |
| 57 | Fei-hsien Jiao# | .2860 | 2017-2018 | |
| 58 | Atihata Sekar# | .2752 | 2017-2018 | |
| 59 | Atsumori Ishikawa | .2748 | 2012-2012 | |
| 60 | Yo Inoue | .2627 | 2015-2015 |
