| Nr. | Player name | Country | Position |
|---|---|---|---|
| 2 | Keita, Zoumana | Mali | Defender |
| 3 | Hey, Lucas | Denmark | Defender |
| 4 | Biancone, Giulian | France | Defender |
| 5 | N'Diaye, Moussa | Senegal | Defender |
| 6 | Augustinsson, Ludwig | Sweden | Defender |
| 7 | Camara, Ilay | Belgium | Defender |
| 8 | Hatenboer, Cedric | Netherlands | Midfielder |
| 9 | Cvetkovic, Mihajlo | Serbia | Striker |
| 10 | Winkler, Marten | Germany | Striker |
| 11 | Antman, Oliver | Finland | Striker |
| 13 | Saliba, Nathan-Dylan | Canada | Midfielder |
| 14 | Sikan, Danylo | Ukraine | Striker |
| 18 | Ambros, Lukas | Czech Republic | Midfielder |
| 21 | Bentayeb, Tawfik | Morocco | Striker |
| 21 | Huerta, César | Mexico | Striker |
| 24 | Llansana, Enric | Netherlands | Midfielder |
| 26 | Coosemans, Colin | Belgium | Goalkeeper |
| 27 | Pétrot, Léo | France | Defender |
| 29 | Stroeykens, Mario | Belgium | Midfielder |
| 32 | Heekeren, Justin | Germany | Goalkeeper |
| 49 | Onia Seke, Jayden | Belgium | Striker |
| 50 | Barry, Kaïs | Belgium | Defender |
| 53 | Ojea Cobiella, Noa | Belgium | Striker |
| 54 | Sardella, Killian | Belgium | Defender |
| 55 | Kana, Marco | Belgium | Midfielder |
| 61 | Nga Kana, Joshua | Belgium | Striker |
| 62 | Vroninks, Basile | Belgium | Defender |
| 66 | Haentjens, Michiel | Belgium | Goalkeeper |
| 68 | Kalonji, Noah | Belgium | Midfielder |
| 79 | Maamar, Ali | Morocco | Defender |
| 83 | Degreef, Tristan | Belgium | Midfielder |
| 90 | N'dao, Pape Aliya | Senegal | Striker |
| 91 | Bertaccini, Adriano | Belgium | Striker |
| 99 | Seghers, Mattis | Belgium | Goalkeeper |
| Player name | Country | Position |
|---|---|---|
| Tajaouart, Anas | Morocco | Midfielder |
| Kanaté, Ibrahim | Mali | Striker |
| Player name | Country | Position |
|---|---|---|
| Dao, Elyess | France | Striker |
| Foket, Thomas | Belgium | Defender |
| Sternal, Enzo | France | Striker |
| Koité , Cheikh | Senegal | Defender |
| Mujangi Bia, Adjani | Belgium | Midfielder |
| Putu, Joël | Belgium | Defender |
| Abdellaoui, Mohamed | Morocco | Midfielder |
| Kana, Joël | Belgium | Midfielder |
| Liema Olinga, Kylian | Belgium | Defender |
| Benktib, Ilyas | Belgium | Midfielder |
| Sarr, Omar | Senegal | Midfielder |
| Ghale, Gorak | Belgium | Midfielder |
| Mahroug, Amine | Morocco | Defender |
| Sylla, Gassimou | Belgium | Striker |
| Vanhoutte, Timon | Belgium | Goalkeeper |
| De Ridder, Alexander | Belgium | Midfielder |
| Wola-Wetshay, Ludovick | DR Congo | Defender |
| Flips, Alexis | France | Midfielder |
| Engwanda, Nunzio | Belgium | Defender |
| Akomolede, Babatunde | Nigeria | Defender |
| Terry, Van de Ven | Belgium | Striker |
| Gilis, Daan | Belgium | Goalkeeper |
| Gijsbers, Lander | Belgium | Goalkeeper |
| Boussaid, Willsem | Algeria | Striker |
| Timmermans, Kamiel | Belgium | Goalkeeper |
| Ashimeru, Majeed | Ghana | Midfielder |
| Name | Country |
|---|---|
| Coucke, Marc | Belgium |
| Bruno, Vitor | Portugal |
| Player name | Amount | Club |
|---|---|---|
| Biancone, Giulian | 2.500.000 | Olympiakos |
| Pétrot, Léo | 0 | Elche CF |
| Ambros, Lukas | 5.000.000 | Gornik Zabre |
| Antman, Oliver | 4.300.000 | Glasgow Rangers |
| Boussaid, Willsem | ? | Chateauroux |
| Koité, Cheikh | ? | Bourg-en-Bresse |
| Winkler, Marten | 4.000.000 | Hertha BSC |
| Bentayeb, Tawfik | 4.000.000 | Union Touarga |
| Player name | Amount | Club |
|---|---|---|
| Hazard, Thorgan | End of cont | Lens |
| Rits, Mats | End of cont | ? |
| Verschaeren, Yari | End of cont | ? |
| Ilic, Mihajlo | End of loan | Bologna |
| Diarra, Moussa | End of loan | Alaves |
| Da Costa, Coba | End of loan | Getafe |
| Angély, Mathys | End of loan | Wolfsburg |
| Goto, Keisuke | 11.000.000 | Freiburg |
| De Corte, Devon | ? | FC Den Bosch |
| De Cat, Nathan | 20.000.000 | TSG Hoffenheim |
| Vazquez, Luis | 3.500.000 | Birmingham |
| Ntanda, Samuel | ? | União Leiria |
| Flies, Jarne | ? | US Lecce |
| Saliba, Nathan | 15.000.000 | Villareal |
| Huerta, Cesar | 1.700.000 | Pumas |
