 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | PCT | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Toyohiro Yamaguchi | .9910 | 1938-1946 | |
| 2 | Takehiko Fujita | .9904 | 1938-1943 | |
| 3 | Yoshitsugu Fukumoto# | .9889 | 1938-1947 | |
| 4 | Fumihiro Honda# | .9888 | 1938-1947 | |
| 5 | Ivan Rustoff# | .9879 | 1938-1947 | |
| 6 | Yoshitomo Ishimoto# | .9873 | 1939-1947 | |
| 7 | Takuyuki Takahashi# | .9867 | 1938-1947 |
