| 12/31/2015 | ||||||
 |
| |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Kazuhiro Kojima# | .4592 | 2013-2013 | |
| 2 | Soshu Kitamura# | .4535 | 2013-2013 | |
| 3 | Yoshiki Sasaki# | .4283 | 2013-2013 | |
| 4 | Akihisa Harada# | .4232 | 2015-2015 | |
| 5 | Tagashashi Iwata | .4176 | 2012-2012 | |
| 6 | Kazutoshi Samurakami# | .4157 | 2013-2013 | |
| 7 | Toin Ishii# | .4101 | 2015-2015 | |
| 8 | Kenshin Toiguchi# | .3922 | 2014-2014 | |
| 9 | Yoshihiro Inoue# | .3700 | 2012-2012 | |
| 10 | Tatsui Ikeda | .3652 | 2013-2013 | |
| 11 | Ichiro Iwata# | .3620 | 2015-2015 | |
| 12 | Yodo Miyashita# | .3457 | 2012-2012 | |
| 13 | Yoshitora Watanabe# | .3450 | 2014-2014 | |
| 14 | Yukio Yamada# | .3075 | 2015-2015 |
