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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | HR | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Yosai Aoyama# | 32 | 2014-2014 | |
| 2 | Naruhiko Kumagai | 28 | 2013-2013 | |
| 3 | Tokuhei Takuda# | 25 | 2013-2013 | |
| 4 | Yasushi Kato# | 24 | 2015-2015 | |
| 4 | Kimi Ohara# | 24 | 2016-2016 | |
| 6 | Keitaro Suzuki# | 23 | 2013-2013 | |
| 7 | Masahiko Nakamura | 21 | 2015-2015 | |
| 7 | Shun Ushiyama | 21 | 2013-2013 | |
| 9 | Aki Maruyama# | 18 | 2016-2016 | |
| 9 | Katsunan Mitzusaka# | 18 | 2013-2013 | |
| 9 | Kazuhiro Morita# | 18 | 2017-2017 | |
| 9 | Ryu Nakamura# | 18 | 2013-2013 | |
| 9 | Michihiro Okamoto# | 18 | 2012-2012 | |
| 9 | Makoto Ota# | 18 | 2016-2016 | |
| 15 | Mitsuo Sato | 17 | 2012-2012 | |
| 16 | Sukejuro Sugimoto | 16 | 2015-2015 | |
| 17 | Shimpei Kamimura | 15 | 2015-2015 | |
| 17 | Norinaga Kondo# | 15 | 2013-2013 | |
| 17 | Nobukazu Noguchi | 15 | 2015-2015 | |
| 17 | Masu Ohayashi# | 15 | 2014-2014 | |
| 21 | Isei Fujihara | 14 | 2012-2012 | |
| 21 | Hirofumi Rin# | 14 | 2016-2016 | |
| 23 | Shinsaku Kamida# | 13 | 2013-2013 | |
| 23 | Shunso Meshizuka# | 13 | 2014-2014 | |
| 23 | Mitsuzuka Otsuka# | 13 | 2017-2017 | |
| 23 | Katsunan Sano | 13 | 2014-2014 | |
| 23 | Yuichi Yamaguchi | 13 | 2015-2015 | |
| 28 | Yoriyuki Sanu | 12 | 2015-2015 | |
| 28 | Shosuke Shinohara | 12 | 2012-2012 | |
| 30 | Isei Masuda# | 11 | 2016-2016 | |
| 30 | Kata Oyama# | 11 | 2012-2012 | |
| 32 | Shinkichi Endoso# | 10 | 2017-2017 | |
| 32 | Katsunan Fujimoto# | 10 | 2016-2016 | |
| 32 | Shuncho Fujita | 10 | 2012-2012 | |
| 32 | Fernando Verrier# | 10 | 2017-2017 | |
| 36 | Hikaru Hara | 9 | 2015-2015 | |
| 36 | Hayato Saito | 9 | 2014-2014 | |
| 36 | Ken'ichi Sakamoto# | 9 | 2016-2016 | |
| 39 | Yoichi Kondo | 8 | 2013-2013 | |
| 39 | Ketutra Mecca# | 8 | 2017-2017 | |
| 39 | Toshikazu Okamura | 8 | 2014-2014 | |
| 39 | Yo Sasaki# | 8 | 2016-2016 | |
| 39 | Kinji Yamasaki | 8 | 2013-2013 | |
| 39 | Tsumemasa Yamauchi# | 8 | 2017-2017 | |
| 45 | Toshinobu Aoki | 7 | 2013-2013 | |
| 45 | Shigochiyo Iida# | 7 | 2017-2017 | |
| 45 | Tetsunori Ine# | 7 | 2016-2016 | |
| 45 | Senichi Iwata | 7 | 2014-2014 | |
| 45 | Takanibu Kobayashi# | 7 | 2012-2012 | |
| 45 | Tien-kai Lo# | 7 | 2017-2017 | |
| 45 | Kiminobu Matsui | 7 | 2015-2015 | |
| 45 | Hidehira Miura | 7 | 2014-2014 | |
| 45 | Toshikazu Nagai# | 7 | 2016-2016 | |
| 45 | Kenji Nakayama | 7 | 2014-2014 | |
| 45 | Sachi Takahashi | 7 | 2014-2014 | |
| 45 | Kanzaburo Yoshikawa | 7 | 2014-2014 | |
| 45 | Zi-xing Zhou# | 7 | 2017-2017 | |
| 58 | Masahiro Azuma# | 6 | 2016-2016 | |
| 58 | Atsumori Ishikawa | 6 | 2012-2012 | |
| 58 | Teruo Katayama | 6 | 2014-2014 | |
| 58 | Toru Masuda | 6 | 2012-2012 | |
| 58 | Iemitsu Motsuzuki# | 6 | 2016-2016 | |
| 58 | Masaru Nan | 6 | 2015-2015 | |
| 58 | Manabu Okada# | 6 | 2016-2016 | |
| 65 | Toshikasu Akiyama | 5 | 2015-2015 | |
| 65 | Masakado Hirano# | 5 | 2012-2012 | |
| 65 | Yoshihide Inoue | 5 | 2013-2013 | |
| 65 | Hidetada Kichikawa | 5 | 2014-2014 | |
| 65 | Yoshimochi Kumatani | 5 | 2013-2013 | |
| 65 | Takafumi Nii# | 5 | 2017-2017 | |
| 65 | Tatsui Noguchi | 5 | 2012-2012 | |
| 65 | Tatsukichi Ohayashi# | 5 | 2012-2012 | |
| 65 | Fikret Özergin# | 5 | 2017-2017 | |
| 65 | Tetsu Yamada# | 5 | 2015-2015 | |
| 75 | Terumoto Fujimoto# | 4 | 2017-2017 | |
| 75 | Yo Inoue | 4 | 2015-2015 | |
| 75 | Joji Ishihara | 4 | 2015-2015 | |
| 75 | Hirokazu Ito | 4 | 2014-2014 | |
| 75 | Kentaro Koizumi | 4 | 2013-2013 | |
| 75 | Kichisaburo Komatsu# | 4 | 2016-2016 | |
| 75 | Matsudaira Noguchi# | 4 | 2017-2017 | |
| 75 | Jorge Rodríguez# | 4 | 2017-2017 | |
| 75 | Imran Sadozai# | 4 | 2017-2017 | |
| 75 | Kiyotaka Sanu | 4 | 2015-2015 | |
| 75 | Atihata Sekar# | 4 | 2017-2017 | |
| 75 | Tadataka Suzuki# | 4 | 2017-2017 | |
| 75 | Rafael Torres# | 4 | 2017-2017 | |
| 75 | Dinh-Ty Tran-Thanh# | 4 | 2017-2017 | |
| 75 | Takuma Yamamoto# | 4 | 2017-2017 | |
| 75 | Norihisa Yamauchi# | 4 | 2013-2013 | |
| 91 | Kiyoshi Chikafuji | 3 | 2014-2014 | |
| 91 | Mito Fujimoto# | 3 | 2017-2017 | |
| 91 | Yajirobei Hayagawa | 3 | 2014-2014 | |
| 91 | Fei-hsien Jiao# | 3 | 2017-2017 | |
| 91 | Ryoma Kurota | 3 | 2013-2013 | |
| 91 | Yoshihisa Mizuno | 3 | 2012-2012 | |
| 91 | Noboru Nakano | 3 | 2013-2013 | |
| 91 | Takaaki Nomura | 3 | 2014-2014 | |
| 91 | Torajiro Ogura | 3 | 2012-2012 | |
| 91 | Masayoshi Okuta | 3 | 2012-2012 |
