 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Susumu Ishii# | .5572 | 1953-1961 | |
| 2 | Kenji Tokuda | .4890 | 1950-1961 | |
| 3 | Seisaku Nishimura# | .4709 | 1954-1961 | |
| 4 | Mikinori Sakaguchi | .4702 | 1954-1958 | |
| 5 | Yonekichi Okazaki# | .4642 | 1955-1961 | |
| 6 | Tokita Oishi# | .4596 | 1953-1961 | |
| 7 | Takiji Hayashi# | .4533 | 1950-1961 | |
| 8 | Yuigo Fukunaga# | .4477 | 1955-1961 | |
| 8 | Oniji Miyaji# | .4477 | 1952-1961 | |
| 10 | Shinji Fukuda# | .4414 | 1952-1961 | |
| 11 | Taketoshi Shimabukuro# | .4350 | 1956-1961 | |
| 12 | Mitsuyasu Takeno# | .4193 | 1952-1961 | |
| 13 | Kikaku Hamasaki# | .4120 | 1950-1961 | |
| 14 | Naizen Takahashi | .3910 | 1954-1961 | |
| 15 | Shinpei Abe# | .3420 | 1956-1961 | |
| 16 | Kiichiro Mitsui# | .3155 | 1952-1961 | |
| 17 | Satsuya Sekiguchi# | .2906 | 1950-1961 |
