 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Shou Okuda# | .4891 | 1950-1961 | |
| 2 | Naonobu Nishio# | .4800 | 1956-1961 | |
| 3 | Takiji Hayashi# | .4728 | 1950-1961 | |
| 4 | Hidetsugu Yoshida# | .4272 | 1950-1961 | |
| 5 | Yutaka Kobayashi# | .4231 | 1956-1961 | |
| 6 | Seisuke Kamo# | .4199 | 1958-1961 | |
| 7 | Tomeo Okinaka# | .4185 | 1958-1961 | |
| 8 | Kikaku Hamasaki# | .4154 | 1950-1961 | |
| 9 | Tomohiko Hamano# | .3987 | 1956-1961 | |
| 10 | Sawao Fukuda | .3866 | 1953-1961 | |
| 11 | Souhei Tamura# | .3658 | 1954-1961 | |
| 12 | Toshimichi Ishii# | .3593 | 1956-1961 | |
| 13 | Washi Okazaki# | .3501 | 1954-1961 | |
| 14 | Hoshihiko Motomura# | .3426 | 1953-1960 | |
| 15 | Kamlyn Kadota | .3153 | 1954-1957 | |
| 16 | Midori Kobayashi# | .2879 | 1951-1961 |
