 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Yasuo Kaneshige# | .3891 | 1939-1947 | |
| 2 | Tsuyoshi Tomaki# | .3759 | 1939-1947 | |
| 3 | Sadamu Nakata | .3476 | 1938-1944 | |
| 4 | Senri Taguchi# | .3363 | 1938-1947 | |
| 5 | Tsugumichi Saiki | .3032 | 1938-1943 | |
| 6 | Chugo Hirai | .2836 | 1938-1944 | |
| 7 | Reijiro Fujii# | .2585 | 1943-1947 | |
| 8 | Eizo Yanagi# | .2581 | 1940-1947 |
