Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2019 |  | Jae-hyeon Mo | MF |  | Suwon FC | Suwon FC |
| 06/2019 | | Jeong-bin Lee | MF |  | Incheon United | Incheon United |
| 03/2019 |  | Dylan Fox | DF |  | Wellington Phoenix | Wellington Ph. |
| 03/2019 |  | Mykola Kovtalyuk | FW |  | Dila Gori | Dila Gori |
| 02/2019 | | Bon-Sang Ku | MF |  | Ulsan HD FC | Ulsan HD FC |
| 02/2019 |  | Manuel Palacios | FW |  | Atlético Huila | Atlético Huila |
| 01/2019 | | Tae-hoon Kim | GK |  | Yeungnam University | Yeungnam University |
| 01/2019 | | Sang-won Kim | DF |  | Jeju SK FC | Jeju SK FC |
| 01/2019 | | Seon-geol Lee | MF | |||
| 01/2019 | | Seong-ung Maeng | MF | |||
| 01/2019 | | Gue-sung Cho | FW |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2019 | | Dylan Fox | DF |  | Central Coast Mariners | CC Mariners |
| 08/2019 | | Mykola Kovtalyuk | FW | | Dila Gori | Dila Gori |
| 07/2019 | | Pil-soo Choi | GK |  | Busan IPark | Busan IPark |
| 01/2019 | | Su-hyeon Jeon | GK | | Suwon FC | Suwon FC |
| 01/2019 | | Tae-ho Kim | DF | | Incheon United | Incheon United |
| 01/2019 | | Hee-woong Jeong | FW |  | Jeonnam Dragons | Jeonnam Dragons |
| 01/2019 | | Jae-hee Jeong | FW | | Jeonnam Dragons | Jeonnam Dragons |
| 01/2019 | | Seung-hyun Hong | DF |  | Daegu FC | Daegu FC |
| 01/2019 | | Young-chan Kim | DF | | Suwon FC | Suwon FC |
| 01/2019 |  | Bruno Cantanhede | FW |  | Central - PE | Central |