 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Kikuichi Shirai# | .5570 | 1954-1961 | |
| 2 | Sunao Morioka# | .4947 | 1952-1961 | |
| 3 | Tadami Ishii# | .4853 | 1953-1961 | |
| 4 | Shunsuke Murata# | .4602 | 1956-1961 | |
| 5 | Teruhiko Iwahashi | .4064 | 1953-1959 | |
| 6 | Jotaro Murakami# | .3796 | 1955-1961 | |
| 7 | Fujimaro Sonoda# | .3630 | 1959-1961 | |
| 8 | Yui Ogawa# | .3627 | 1957-1961 | |
| 9 | Motokuni Sugano | .3589 | 1950-1959 | |
| 10 | Shuuhei Yamashita# | .3581 | 1956-1961 | |
| 11 | Oda Smith# | .3555 | 1954-1961 | |
| 12 | Han Kajioka# | .3535 | 1956-1961 | |
| 13 | Teppei Nakashima | .3406 | 1952-1959 | |
| 14 | Kohsuke Takayama# | .3359 | 1955-1961 | |
| 15 | Michihiro Kobashi# | .3326 | 1955-1961 | |
| 16 | Ennosuke Miura | .3256 | 1951-1959 |
