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|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | IP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Tetsui Jouon# | 851.2 | 2012-2012 | |
| 2 | Yoritomo Yamaguchi# | 850.2 | 2015-2015 | |
| 3 | Kata Nishikawa# | 829.0 | 2016-2016 | |
| 4 | Yoshino Kobayashi# | 810.2 | 2014-2014 | |
| 5 | Murai Ito | 789.0 | 2012-2012 | |
| 6 | Tetsuo Chikuda# | 770.2 | 2015-2015 | |
| 7 | Mokichi Kono# | 740.2 | 2015-2015 | |
| 8 | Kazuyoshi Suitani# | 738.1 | 2012-2012 | |
| 9 | Teika Seki# | 715.2 | 2016-2016 | |
| 10 | Yasuyuki Hirano# | 706.1 | 2014-2014 | |
| 11 | Yoshihiro Kouno | 627.0 | 2012-2012 | |
| 12 | Kokei Sugimoto# | 614.1 | 2016-2016 |
