 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Teruhiko Iwahashi# | .3854 | 1938-1947 | |
| 2 | Yoshizumi Smith# | .3694 | 1939-1947 | |
| 3 | Tomoyoshi Takeuchi# | .3293 | 1944-1947 | |
| 4 | Hokuto Yamamoto# | .3182 | 1938-1947 | |
| 5 | Yukio Kubo# | .3056 | 1940-1947 | |
| 6 | Souta Aoyama# | .2941 | 1938-1947 | |
| 7 | Satomu Kono | .2709 | 1938-1944 | |
| 8 | Susumu Sasada | .2461 | 1938-1943 |
