Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2018 |  | Clément Grenier | MF |  | Olympique Lyonnais | Lyonnais |
| 01/2018 | | Nathaël Julan | FW |  | Havre AC | HAC |
| 01/2018 |  | Yeni N’Gbakoto | FW |  | Queens Park Rangers | QPR |
| 01/2018 |  | Benjamin Angoua | DF |  | New England Revolution | New Engl. |
| 09/2017 |  | Denis Petrić | GK |  | Angers SCO | Angers |
| 07/2017 | | Marcus Thuram | FW |  | FC Sochaux | Sochaux |
| 07/2017 | | Marc-Aurèle Caillard | GK |  | Clermont Foot 63 | Clermont Foot |
| 07/2017 | | Kilian Le Roy | GK |  | EA Guingamp U19 | U19 |
| 07/2017 |  | Félix Eboa Eboa | DF |  | Paris Saint-Germain B | Paris SG (CFA) |
| 07/2017 |  | Pedro Rebocho | DF |  | Moreirense FC | Moreirense |
| 07/2017 |  | Karim Achahbar | MF |  | US Quevilly-Rouen | US Quevilly |
| 07/2017 |  | Lebogang Phiri | MF |  | Brøndby IF | Brøndby IF |
| 07/2017 | | Franck Tabanou | MF |  | Granada CF | Granada CF |
| 07/2017 |  | Abdoul Camara | FW |  | Derby County | Derby |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2018 | | Karim Achahbar | MF |  | Tubize-Braine | AFC Tubize |
| 01/2018 |  | Sloan Privat | FW |  | Valenciennes FC | VAFC |
| 01/2018 | | Ivan Inzoudine | DF |  | ACR Messina | Messina |
| 09/2017 |  | Johny Placide | GK |  | Oldham Athletic | Oldham Athletic |
| 07/2017 | | Romain Salin | GK |  | Sporting CP | Sporting |
| 07/2017 | | Jérémy Livolant | MF |  | US Boulogne | US Boulogne |
| 07/2017 | | Baïssama Sankoh | DF |  | SM Caen | SM Caen |
| 07/2017 | | Théo Guivarch | GK |  | US Concarneau | Concarneau |
| 07/2017 | | Mathieu Bodmer | DF |  | Amiens SC | Amiens |
| 07/2017 | | Dorian Lévêque | DF |  | PAOK Saloniki | PAOK |
| 07/2017 |  | Marçal | DF | | Olympique Lyonnais | Lyonnais |
| 07/2017 | | Nill De Pauw | MF |  | SV Zulte Waregem | Zulte Waregem |
| 07/2017 | | Alexis Mané | MF |  | Vendée Les Herbiers | VHF |
| 07/2017 |  | Fousséni Diabaté | FW |  | Gazélec FC Ajaccio | GFC Ajaccio |
| 07/2017 | | Sullivan Martinet | FW |  | EA Guingamp B | EA Guingamp B |
| 07/2017 |  | Alexandre Mendy | FW |  | Girondins de Bordeaux | Bordeaux |