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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Aimón Monterrey# | .3939 | 1913-1915 | |
| 2 | Haruyoshi Yamashita | .3935 | 1909-1913 | |
| 3 | Luis López# | .3790 | 1911-1915 | |
| 4 | Akinori Takahashi | .3778 | 1910-1913 | |
| 5 | Catón Valle# | .3739 | 1913-1915 | |
| 6 | Shigekuni Ishibashi | .3666 | 1909-1915 | |
| 7 | Chisen Nishimoto | .3635 | 1909-1915 | |
| 8 | Haruki Iwasaki | .3616 | 1911-1915 | |
| 9 | Hirotoshi Ishihara | .3562 | 1909-1915 | |
| 10 | Telamón Paniagua# | .3532 | 1913-1915 | |
| 11 | Yoshinobu Takata | .3443 | 1909-1915 | |
| 12 | Masahiro Nakao | .3409 | 1909-1915 | |
| 13 | Masayuki Okamoto | .3395 | 1909-1915 | |
| 14 | Masahiko Masukawa | .3363 | 1909-1915 | |
| 15 | Ginés Barreras# | .3351 | 1912-1915 | |
| 16 | Neftalí Rodríguez# | .3325 | 1911-1915 | |
| 17 | Takahiro Tokunaga | .3290 | 1911-1915 | |
| 18 | Hiroki Matsumoto | .3288 | 1909-1915 | |
| 19 | Kojiro Yamamoto | .3284 | 1909-1915 | |
| 20 | Akira Otani | .3222 | 1909-1915 | |
| 21 | Terukiyo Hara | .3201 | 1909-1915 | |
| 22 | Eurípides Pérez# | .3173 | 1909-1915 | |
| 23 | Solly Hofman# | .3150 | 1909-1915 | |
| 24 | Tom Downey# | .3101 | 1909-1915 | |
| 25 | Shinya Nakata | .3068 | 1909-1915 | |
| 26 | Jimmy Austin | .2918 | 1909-1913 | |
| 27 | John Knight# | .2908 | 1909-1915 |
