Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2019 |  | Dylan Mbayo | FW |  | Sporting Lokeren U19 | U19 |
| 01/2019 | | Max De Ruyver | DF | |||
| 01/2019 | | Glen De Boeck | MA | |||
| 01/2019 | | Wout Wijns | GK | |||
| 01/2019 |  | Knowledge Musona | FW |  | RSC Anderlecht | Anderlecht |
| 01/2019 |  | Jakub Řezníček | FW |  | Viktoria Plzeň | Viktoria Plzeň |
| 12/2018 | | Laurens Symons | FW | | Sporting Lokeren U19 | U19 |
| 11/2018 |  | Trond Sollied | MA | |||
| 10/2018 |  | Arnar Viðarsson | MA | |||
| 09/2018 | | Geoffrey Mujangi Bia | FW | |||
| 08/2018 | | Olivier Deschacht | DF | | RSC Anderlecht | Anderlecht |
| 08/2018 |  | Omri Ben Harush | DF |  | Maccabi Haifa | M. Haifa |
| 08/2018 |  | Đorđe Jovanović | FW |  | Partizan | Partizan |
| 07/2018 |  | Anton Saroka | FW |  | Dinamo Minsk | D. Minsk |
| 07/2018 | | Robin Mantel | GK |  | ASV Geel | ASV Geel |
| 07/2018 |  | Bambo Diaby | DF |  | Girona FC | Girona |
| 07/2018 |  | Branislav Niňaj | DF |  | MŠK Žilina | Žilina |
| 07/2018 |  | Mario Tičinović | DF |  | Hajduk Split | Hajduk |
| 07/2018 | | Mickaël Tirpan | DF |  | KAS Eupen | KAS Eupen |
| 07/2018 | | Nikola Jambor | MF |  | NK Osijek | NK Osijek |
| 07/2018 | | Erwin Lemmens | GK-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 03/2019 | | Anton Saroka | FW |  | BATE Borisov | Borisov |
| 01/2019 | | Đorđe Jovanović | FW |  | Cádiz CF | Cádiz |
| 01/2019 |  | Juan Torres | MF |  | New York City FC | NY City FC |
| 01/2019 |  | Joher Rassoul | MF |  | Adana Demirspor | Adana Demirspor |
| 01/2019 | | Bob Straetman | FW |  | Excelsior Virton | Virton |
| 08/2018 |  | Lewis Enoh | FW |  | FC Politehnica Iași | Politehni. Iași |
| 08/2018 |  | Mijat Marić | DF |  | FC Lugano | FC Lugano |
| 08/2018 |  | Robin Söder | FW |  | IFK Göteborg | IFK Göteborg |
| 08/2018 | | Sander De Prycker | MF |  | Royal Knokke FC | Royal Knokke FC |
| 07/2018 | | Branislav Niňaj | DF |  | Fortuna Sittard | Fortuna Sittard |
| 07/2018 | | Bo Geens | GK |  | Lierse SK (old) | Lierse SK |
| 07/2018 | | Nikola Jambor | MF |  | Rio Ave FC | Rio Ave FC |
| 07/2018 | | Dieter Creemers | GK |  | Lommel SK | Lommel |
| 07/2018 | | Alassane Mendy | FW |  | Dundee FC | Dundee FC |
| 07/2018 | | Joran Triest | FW |  | KFC VW Hamme | KFC VW Hamme |