 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | IP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Kazuaki Mukai# | 7530 | 1953-1961 | |
| 2 | Teiljo Otani# | 6649 | 1954-1961 | |
| 3 | Kannon Yamamoto# | 6593 | 1954-1961 | |
| 4 | Kousei Ota# | 5677 | 1955-1961 | |
| 5 | Kiyoshi Yamasaki | 5066 | 1951-1960 | |
| 6 | Kiyohiro Aoyagi# | 4909 | 1953-1961 | |
| 7 | Tadao Hasegawa# | 4736 | 1956-1961 | |
| 8 | Meguru Morioka# | 4648 | 1950-1961 | |
| 9 | Hiroji Orido# | 4621 | 1953-1961 | |
| 10 | Ikuhiko Murata | 4380 | 1950-1961 | |
| 11 | Jokichi Kono# | 4137 | 1956-1961 | |
| 12 | Minehiro Onishi# | 3991 | 1956-1961 | |
| 13 | Shunsuke Suzuki# | 3376 | 1954-1961 | |
| 14 | Kyozo Kanno | 2661 | 1951-1958 | |
| 15 | Yasushi Mori | 2646 | 1950-1957 | |
| 16 | Shouya Kishimoto | 2608 | 1950-1957 | |
| 17 | Koto Seki# | 2330 | 1955-1961 | |
| 18 | Kiyohito Nojima# | 2060 | 1956-1961 | |
| 19 | Kazue Ashida# | 2043 | 1951-1961 | |
| 20 | Takechi Kinoshita | 1683 | 1953-1960 | |
| 21 | Hidero Yamagata | 1561 | 1953-1959 | |
| 22 | Hirofumi Kato | 1555 | 1950-1957 | |
| 23 | William Hancock# | 1415 | 1959-1961 | |
| 24 | Shinichi Takahashi# | 1399 | 1956-1961 | |
| 25 | Kantaro Nagano | 1354 | 1957-1960 | |
| 26 | Michinao Okamoto | 1198 | 1950-1953 |
