 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Katsuhisa Minami# | .4050 | 1938-1947 | |
| 2 | Setsujiro Matsumura# | .3774 | 1938-1947 | |
| 3 | Narihide Oishi# | .3673 | 1938-1947 | |
| 4 | Fukashi Kitano# | .3424 | 1939-1947 | |
| 5 | Yuifum Maehara# | .3239 | 1938-1947 | |
| 6 | Masayoshi Nozawa# | .2932 | 1938-1947 | |
| 7 | Masakazu Fujisawa# | .2912 | 1939-1947 | |
| 8 | Kenshiro Miwa | .2058 | 1938-1944 |
