 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Hyouma Kawamura# | 1.038 | 1938-1947 | |
| 1 | Itsuro Ono | 1.038 | 1938-1947 | |
| 3 | Tsuyoshi Tomaki# | 1.036 | 1939-1947 | |
| 4 | Honzo Kobayashi# | 1.028 | 1944-1947 | |
| 5 | Hajato Okamura | 1.008 | 1938-1940 | |
| 6 | Yoshikatsu Urata# | 0.995 | 1938-1947 | |
| 7 | Eizo Yanagi# | 0.987 | 1940-1947 | |
| 8 | Hironori Kanda | 0.986 | 1938-1944 | |
| 9 | Tsugio Nakano# | 0.977 | 1940-1947 |
