| 12/31/2015 | ||||||
 |
| |
| Rank | Player | OPS | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Nobuhisa Yokoyama# | 1.1531 | 2013-2013 | |
| 2 | Mokichi Kono# | 1.0674 | 2015-2015 | |
| 3 | Yoritomo Yamaguchi# | 1.0597 | 2015-2015 | |
| 4 | Kazuyoshi Suitani# | 1.0165 | 2012-2012 | |
| 5 | Seinosuke Onishi# | .9840 | 2014-2014 | |
| 6 | Tetsui Jouon# | .9384 | 2012-2012 | |
| 7 | Yoshino Kobayashi# | .9311 | 2014-2014 | |
| 8 | Tetsuo Chikuda# | .9256 | 2015-2015 | |
| 9 | Yohachi Nakashima# | .9174 | 2015-2015 | |
| 10 | Murai Ito | .8984 | 2012-2012 | |
| 11 | Yasuyuki Hirano# | .8814 | 2014-2014 | |
| 12 | Toshikazu Kaneko | .8314 | 2013-2013 | |
| 13 | Sumiteru Yoshida# | .8005 | 2014-2014 | |
| 14 | Shun Asano# | .7190 | 2014-2014 | |
| 15 | Shunsho Matsuo# | .6830 | 2014-2014 | |
| 16 | Yoichi Sumita# | .6603 | 2014-2014 | |
| 17 | Masakado Kobayashi | .6425 | 2013-2013 |
