Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2017 |  | Hyun-Woong Lee | MF |  | Gyeongnam FC | Gyeongnam FC |
| 07/2017 |  | Lukian | FW |  | Busan IPark | Busan IPark |
| 03/2017 | | Wesley Alex | FW |  | Daegu FC | Daegu FC |
| 01/2017 |  | Aubin Kouakou | MF |  | Chungju Hummel | Chungju Hummel |
| 01/2017 | | Tae-ahn Kwon | GK | | Chungju Hummel | Chungju Hummel |
| 01/2017 | | Jae-hun Shim | GK | |||
| 01/2017 | | Sang-yong Lee | DF |  | Jeonju University | Jeonju University |
| 01/2017 | | Hyo-gi Kim | FW |  | Jeonbuk FC | Jeonbuk |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2017 | | Se-hee Ahn | DF |  | Pohang Steelers | Pohang Steelers |
| 07/2017 | | Wesley Alex | FW |  | Seoul E-Land FC | Seoul E-Land FC |
| 06/2017 | | Dae-yeong Goo | DF |  | Asan Mugunghwa FC | AMFC |
| 01/2017 | | Young-hu Kim | FW |  | Gyeongju KHNP | Gyeongju |
| 01/2017 | | Pil-soo Choi | GK |  | Gimcheon Sangmu | Gimcheon Sangmu |
| 01/2017 | | Jin-hyung Lee | GK |  | Incheon United | Incheon United |
| 01/2017 | | Sol-hyun Ga | DF | | Gyeongju KHNP | Gyeongju |
| 01/2017 | | Yong-deok Seo | MF | | Asan Mugunghwa FC | AMFC |
| 01/2017 | | Dong-ki Kim | FW | | Pohang Steelers | Pohang Steelers |