Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2017 |  | Takayuki Yoshida | MA | |||
| 07/2017 | | Mike Havenaar | FW |  | ADO Den Haag | ADO Den Haag |
| 07/2017 |  | Lukas Podolski | FW |  | Galatasaray | Galatasaray |
| 02/2017 | | Daiya Maekawa | GK |  | Kansai University | Kansai University |
| 02/2017 | | Shinji Yamaguchi | DF |  | Oita Trinita | Oita Trinita |
| 01/2017 | | Kenshin Yoshimaru | GK | | Oita Trinita | Oita Trinita |
| 01/2017 | | Hirofumi Watanabe | DF |  | Vegalta Sendai | Vegalta Sendai |
| 01/2017 | | Kotaro Omori | MF |  | Gamba Osaka | Gamba |
| 01/2017 | | Hideto Takahashi | MF |  | FC Tokyo | FC Tokyo |
| 01/2017 |  | Wescley | MF |  | Ceará - CE | Ceará SC |
| 01/2017 | | Takuya Yasui | MF |  | Vissel Kobe U18 | U18 |
| 01/2017 | | Shuhei Otsuki | FW |  | Shonan Bellmare | Shonan Bellmare |
| 01/2017 | | Junya Tanaka | FW |  | Kashiwa Reysol | Kashiwa Reysol |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2017 | | Taisuke Muramatsu | DF |  | Shimizu S-Pulse | S-Pulse |
| 01/2017 | | Yudai Tanaka | DF |  | Hokkaido Consadole Sapporo | Consadole |
| 01/2017 | | Koki Matsuzawa | GK |  | Tokushima Vortis | Tokushima Vortis |
| 01/2017 | | Kaito Yamamoto | GK |  | JEF United Chiba | JEF United |
| 01/2017 | | Shohei Takahashi | DF |  | Júbilo Iwata | Júbilo Iwata |
| 01/2017 | | Daisuke Ishizu | MF |  | Avispa Fukuoka | Avispa |
| 01/2017 | | Ryosuke Maeda | MF | | Oita Trinita | Oita Trinita |
| 01/2017 | | Asahi Masuyama | MF |  | Yokohama FC | Yokohama FC |
| 01/2017 | | Pedro Júnior | FW |  | Kashima Antlers | Kashima Antlers |