 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Tadami Ishii# | .4281 | 1953-1961 | |
| 2 | Sunao Morioka# | .3766 | 1952-1961 | |
| 3 | Kikuichi Shirai# | .3705 | 1954-1961 | |
| 4 | Teruhiko Iwahashi | .3585 | 1953-1959 | |
| 5 | Shunsuke Murata# | .3452 | 1956-1961 | |
| 6 | Yui Ogawa# | .3392 | 1957-1961 | |
| 7 | Jotaro Murakami# | .3295 | 1955-1961 | |
| 8 | Teppei Nakashima | .3204 | 1952-1959 | |
| 9 | Fujimaro Sonoda# | .3182 | 1959-1961 | |
| 10 | Shuuhei Yamashita# | .3168 | 1956-1961 | |
| 11 | Motokuni Sugano | .3044 | 1950-1959 | |
| 12 | Kohsuke Takayama# | .2978 | 1955-1961 | |
| 13 | Michihiro Kobashi# | .2943 | 1955-1961 | |
| 14 | Oda Smith# | .2847 | 1954-1961 | |
| 15 | Han Kajioka# | .2773 | 1956-1961 | |
| 16 | Ennosuke Miura | .2646 | 1951-1959 |
