Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2005 |  | Ermin Šiljak | FW |  | Dalian Shide | Dalian Shide |
| 07/2004 |  | Michaël Descamps | GK |  | RFC Liège | RFC Liège |
| 07/2004 |  | Jean-Félix Dorothée | DF |  | Valencia CF | Valencia |
| 07/2004 | | Romain Haghedooren | DF | |||
| 07/2004 | | Jimmy Hempte | DF |  | KAA Gent | Gent |
| 07/2004 |  | Stjepan Skočibušić | DF |  | Hajduk Split | Hajduk |
| 07/2004 | | Daan Van Gijseghem | DF | |||
| 07/2004 |  | Faruk Atalay | MF |  | Royal Antwerp FC | Antwerpen |
| 07/2004 |  | Patrice Noukeu | MF |  | Verbroedering Geel | Verbroedering Geel |
| 07/2004 | | Marc Schaessens | MF |  | Lierse SK (old) | Lierse SK |
| 07/2004 | | Bob Cousin | FW |  | KV Oostende | KV Oostende |
| 07/2004 |  | Patrick Dimbala | FW |  | KV Kortrijk | Kortrijk |
| 07/2004 | | Alexandre Lecomte | FW | | KV Oostende | KV Oostende |
| 07/2004 | | Ricardo Magro | FW |  | RAAL La Louvière | La Louvière |
| 07/2004 | | Abdoulaye Soumare | FW | | RFC Liège | RFC Liège |
| 07/2004 | | Philippe Saint-Jean | MA |  | Tubize-Braine | AFC Tubize |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2005 | | Kevin Pecqueux | DF | | KV Kortrijk | Kortrijk |
| 01/2005 | | Christophe Grégoire | MF |  | RSC Anderlecht | Anderlecht |
| 11/2004 | | Marc Schaessens | MF |  | RAEC Mons | RAEC Mons |
| 07/2004 |  | Stephen Laybutt | DF | | KAA Gent | Gent |
| 07/2004 | | Steve Dugardein | MF |  | SM Caen | SM Caen |
| 07/2004 | | Guillaume Lepine | MF |  | AS Marck | AS Marck |
| 07/2004 | | Mbo Mpenza | FW | | RSC Anderlecht | Anderlecht |
| 07/2004 | | Luigi Pieroni | FW |  | AJ Auxerre | Auxerre |