 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Masuami Smith# | .4418 | 1950-1961 | |
| 2 | Yoshiyasu Maeda# | .3670 | 1953-1961 | |
| 3 | Mitsuhisa Nakasone# | .3393 | 1956-1961 | |
| 4 | Seibei Ishii# | .3338 | 1954-1961 | |
| 5 | Kitahachi Masuda# | .3303 | 1956-1961 | |
| 6 | Shinsaku Tashiro# | .3302 | 1952-1961 | |
| 7 | Takanori Matsui# | .3264 | 1955-1961 | |
| 8 | Niito Katagiri# | .3238 | 1950-1961 | |
| 9 | Zaijiro Oki | .3107 | 1950-1960 | |
| 10 | Torai Yamamoto# | .3083 | 1959-1961 | |
| 11 | Kusuo Sato# | .2909 | 1953-1961 | |
| 12 | Hidero Fujioka# | .2893 | 1956-1961 | |
| 13 | Ienari Fujimori# | .2816 | 1956-1961 | |
| 14 | Okyoito Nishimura# | .2769 | 1955-1961 | |
| 15 | Pat Ponder# | .2699 | 1954-1961 |
