Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1999 |  | Alon Mizrahi | FW |  | Maccabi Haifa | M. Haifa |
| 01/1999 |  | Lionel Prat | FW |  | Havre AC | HAC |
| 07/1998 | | Kelly Berville | DF | |||
| 07/1998 | | Cédric Carrez | DF |  | Lille OSC | Lille |
| 07/1998 | | Eric Cubilier | DF | |||
| 07/1998 | | Antony Gauvin | DF |  | AS Saint-Étienne | Saint-Étienne |
| 07/1998 | | Frédéric Tatarian | DF |  | SC Toulon | SC Toulon |
| 07/1998 |  | Bill Tchato | DF |  | Olympique de Valence (old) | Olymp. Valence |
| 07/1998 | | Dominique Aulanier | MF |  | Nîmes Olympique | Nîmes |
| 07/1998 | | Karim Fradin | MF |  | Chamois Niortais | Niort |
| 07/1998 | | Manuel Nogueira | MF | | Olympique de Valence (old) | Olymp. Valence |
| 07/1998 | | Stéphane Roche | MF |  | Olympique Lyonnais | Lyonnais |
| 07/1998 |  | Pablo Rodríguez | MF |  | Argentinos Juniors | Arg. Juniors |
| 07/1998 | | David Andréani | FW |  | FC Nantes | FC Nantes |
| 07/1998 |  | Malek Cherrad | FW | |||
| 07/1998 |  | Amadou Mané | FW | |||
| 07/1998 | | Laurent Sachy | FW |  | Toulouse FC | Toulouse |
| 07/1998 | | Guy David | MA |  | Stade Rennais | Stade Rennais |
| 07/1998 | | Victor Zvuncă | MA |  | LB Châteauroux | Châteauroux |
| 07/1998 | | Christian Schmidt | PH-C |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1999 | | Amadou Mané | FW |  | Sporting Charleroi | Charleroi SC |
| 12/1998 |  | Stefan Kohn | FW |  | SG Wattenscheid 09 | Wattenscheid |
| 08/1998 |  | Erik Regtop | MF |  | Austria Lustenau | A. Lustenau |
| 07/1998 | | Olivier Fugen | DF |  | ES Troyes AC | ES Troyes AC |
| 07/1998 |  | Goran Kartalija | DF |  | FC Admira Wacker | Admira Wacker |
| 07/1998 | | Frédéric Martin | DF |  | FC Sochaux | Sochaux |
| 07/1998 | | Jean-Philippe Mattio | DF |  | AS Cagnes | AS Cagnes |
| 07/1998 | | Didier Angibeaud | MF |  | Sturm Graz | Sturm Graz |
| 07/1998 |  | Houssine Benali | MF |  | KSV Roeselare | Roeselare |
| 07/1998 | | Jérôme Cucchietti | MF |  | OGC Nice B | Nice (CFA) |
| 07/1998 | | Gilles Doucende | MF |  | FC Villefranche Beaujolais | FCVB |
| 07/1998 |  | Zoran Milinković | MF |  | Hansa Rostock | Rostock |
| 07/1998 | | Franck Vandecasteele | FW | | FC Sochaux | Sochaux |
| 07/1998 |  | Piet Verschelde | FW |  | RWDM Brussels | RWDM |
| 07/1998 | | Michel Renquin | MA |  | CS Chênois | Chenois |