| 12/31/2015 | ||||||
 |
| |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Yosai Aoyama# | .6446 | 2014-2014 | |
| 2 | Yasushi Kato# | .6269 | 2015-2015 | |
| 3 | Ryu Nakamura# | .5863 | 2013-2013 | |
| 4 | Shunso Meshizuka# | .5604 | 2014-2014 | |
| 5 | Tokuhei Takuda# | .5595 | 2013-2013 | |
| 6 | Shinsaku Kamida# | .5467 | 2013-2013 | |
| 7 | Keitaro Suzuki# | .5391 | 2013-2013 | |
| 8 | Michihiro Okamoto# | .5181 | 2012-2012 | |
| 9 | Norinaga Kondo# | .5135 | 2013-2013 | |
| 10 | Takanibu Kobayashi# | .4828 | 2012-2012 | |
| 11 | Hayato Saito# | .4706 | 2014-2014 | |
| 12 | Kata Oyama# | .4556 | 2012-2012 | |
| 13 | Norihisa Yamauchi# | .4095 | 2013-2013 | |
| 14 | Masakado Hirano# | .4040 | 2012-2012 | |
| 15 | Atsumori Ishikawa | .3826 | 2012-2012 | |
| 16 | Shosuke Shinohara | .3763 | 2012-2012 | |
| 17 | Hirokazu Ito# | .3573 | 2014-2014 | |
| 18 | Kiminobu Matsui# | .3479 | 2015-2015 |
