Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 11/2019 |  | Denis Kavan | AT-C |  | TJ Sokol Velké Hamry | S. Velké Hamry |
| 09/2019 |  | Se-jong Ju | MF |  | Asan Mugunghwa FC | AMFC |
| 09/2019 | | Myung-joo Lee | MF | | Asan Mugunghwa FC | AMFC |
| 02/2019 | | Chang-mo Ku | MF |  | Cheongju City | Cheongju City |
| 02/2019 |  | Aleksandar Pešić | FW |  | Al Ittihad | Al Ittihad |
| 01/2019 | | Heui-woong Jang | DF | |||
| 01/2019 | | Woo-ram Jeon | DF | |||
| 01/2019 | | Ju-sung Kim | DF | |||
| 01/2019 | | Jong-beom Baek | GK | |||
| 01/2019 |  | Osmar | DF |  | Cerezo Osaka | Cerezo |
| 01/2019 |  | Ikromzhon Alibaev | MF |  | Lokomotiv Tashkent | Lok Tashkent |
| 01/2019 | | Kwang-min Ko | MF |  | Yangpyeong FC | Yangpyeong FC |
| 01/2019 | | In-gyu Lee | FW | |||
| 01/2019 | | Jae-won Shin | FW |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2019 | | Bojan Matić | FW |  | Vojvodina | Vojvodina |
| 02/2019 | | Suk-young Yun | DF |  | Kashiwa Reysol | Kashiwa Reysol |
| 01/2019 | | Dong-woo Kim | DF |  | Jeju SK FC | Jeju SK FC |
| 01/2019 | | Jin-ho Shin | MF |  | Ulsan HD FC | Ulsan HD FC |
| 01/2019 | | Moo-bin Son | GK |  | Incheon United | Incheon United |
| 01/2019 | | Hyun Yoo | GK |  | Tochigi SC | Tochigi SC |
| 01/2019 | | Tae-hwi Kwak | DF |  | Gyeongnam FC | Gyeongnam FC |
| 01/2019 | | Kwang-hoon Shin | DF |  | Gangwon FC | Gangwon FC |
| 01/2019 | | Sang-min Sim | DF |  | Pohang Steelers | Pohang Steelers |
| 01/2019 | | Seong-jun Kim | MF | | Ulsan HD FC | Ulsan HD FC |
| 01/2019 |  | Anderson Lopes | FW |  | Hokkaido Consadole Sapporo | Consadole |