Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2004 |  | Claude Ngantchea Ndeffi | GK | |||
| 01/2004 | | Grégory Lorenzi | DF |  | FC Nantes | FC Nantes |
| 07/2003 |  | Guillaume Lepinne | ||||
| 07/2003 | | Christophe Martin | GK |  | Willem II | Willem II |
| 07/2003 |  | Samir Beloufa | DF |  | SC Bastia | Bastia |
| 07/2003 |  | Stephen Laybutt | DF |  | Brisbane Strikers | Brisb. Strikers |
| 07/2003 | | Julien Catrain | MF | |||
| 07/2003 | | Damien Gallucci | MF | |||
| 07/2003 | | Guillaume Lepine | MF | |||
| 07/2003 |  | Tresor Empoke | FW |  | Lierse SK (old) | Lierse SK |
| 07/2003 | | Luigi Pieroni | FW |  | RFC Liège | RFC Liège |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2004 | | Dennis Duinslaeger | GK |  | KAA Gent | Gent |
| 01/2004 | | Filston Mongu N'Koy | DF |  | FC Universitatea Craiova | Uni. Craiova |
| 01/2004 | | Mathieu De Jonckheere | MF |  | KMSK Deinze | SK Deinze |
| 07/2003 | | Kurt Vandoorne | GK |  | KV Kortrijk | Kortrijk |
| 07/2003 | | Marco Casto | DF |  | RAEC Mons | RAEC Mons |
| 07/2003 |  | Bevan Fransman | DF |  | Kaizer Chiefs | Kaizer Chiefs |
| 07/2003 |  | Cleiton | MF |  | FCV Dender EH | FCV Dender EH |
| 07/2003 |  | Łukasz Kubik | MF |  | KS Cracovia | KS Cracovia |
| 07/2003 |  | Paul Alo'o Efoulou | FW |  | Racing Club de France | RCF Paris |
| 07/2003 | | Claude Bakadal | FW |  | Diyarbakırspor | Diyarbakırspor |
| 07/2003 |  | Zoran Ban | FW | | RAEC Mons | RAEC Mons |
| 07/2003 | | Asanda Sishuba | FW |  | Royal Antwerp FC | Antwerpen |