 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Hokuto Yamamoto# | 1.055 | 1938-1947 | |
| 2 | Muneyuki Hamasaki# | 1.034 | 1946-1947 | |
| 3 | Fumisaburo Tsukiyama# | 1.025 | 1938-1947 | |
| 4 | Katsunosuki Inoue# | 1.010 | 1944-1947 | |
| 5 | Yukiyoshi Goto# | 1.006 | 1944-1947 | |
| 6 | Tanzan Miyake | 1.001 | 1938-1944 | |
| 6 | Hisatada Morino# | 1.001 | 1938-1947 | |
| 8 | Yasuo Kaneshige# | 0.988 | 1939-1947 | |
| 9 | Taro Ito# | 0.984 | 1938-1947 | |
| 10 | Saburo Suzuki | 0.976 | 1938-1944 |
