 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Hoshi Noda | .3937 | 1938-1946 | |
| 2 | Norinaga Takase# | .3340 | 1939-1947 | |
| 3 | Kosuke Niwa | .3286 | 1938-1944 | |
| 4 | Keiichi Sakamoto | .3254 | 1938-1942 | |
| 5 | Eiju Miyake# | .3151 | 1940-1947 | |
| 6 | Umito Nishioka# | .2912 | 1941-1947 | |
| 7 | Ikumasa Fujimoto# | .2517 | 1940-1947 |
