Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 03/2021 |  | Dango Ouattara | FW |  | FC Lorient B | Lorient (CFA) |
| 02/2021 |  | Joris Mendy | DF | | FC Lorient B | Lorient (CFA) |
| 02/2021 |  | Tiago Ilori | DF |  | Sporting CP | Sporting |
| 01/2021 |  | Yoann Étienne | DF | | FC Lorient B | Lorient (CFA) |
| 12/2020 | | Loris Mouyokolo | DF | | FC Lorient B | Lorient (CFA) |
| 10/2020 | | Thomas Callens | GK |  | SM Caen | SM Caen |
| 09/2020 |  | Terem Moffi | FW |  | KV Kortrijk | Kortrijk |
| 09/2020 |  | Andreaw Gravillon | DF |  | Inter | Inter |
| 09/2020 | | Armand Laurienté | FW |  | Stade Rennais | Stade Rennais |
| 08/2020 | | Thomas Monconduit | MF |  | Amiens SC | Amiens |
| 08/2020 |  | Trevoh Chalobah | MF |  | Chelsea FC U21 | Chelsea FC U21 |
| 07/2020 | | Matthieu Dreyer | GK | | Amiens SC | Amiens |
| 07/2020 |  | Adrian Grbić | FW |  | Clermont Foot 63 | Clermont Foot |
| 07/2020 | | Teddy Bartouche-Selbonne | GK | | FC Lorient B | Lorient (CFA) |
| 07/2020 |  | Jérémy Morel | DF | | Stade Rennais | Stade Rennais |
| 07/2020 | | Quentin Boisgard | MF |  | Toulouse FC | Toulouse |
| 07/2020 | | Malamine Doumbouya | MF |  | Stade Rennais B | Rennais (CFA) |
| 07/2020 |  | Mohamed Mara | MF |  | Paris FC | Paris FC |
| 07/2020 | | Gaëtan Courtet | FW |  | AC Ajaccio | AC Ajaccio |
| 07/2020 |  | Stéphane Diarra | FW |  | Le Mans FC | Le Mans |
| 07/2020 | | Maxime Di Liberto | G-AN |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2021 |  | Umut Bozok | FW |  | ES Troyes AC | ES Troyes AC |
| 10/2020 | | Joris Sainati | DF | | AC Ajaccio | AC Ajaccio |
| 10/2020 |  | Julien Ponceau | MF |  | Rodez AF | Rodez AF |
| 09/2020 | | Gaëtan Courtet | FW | | AC Ajaccio | AC Ajaccio |
| 08/2020 | | Mohamed Mara | MF |  | Thonon Évian GGFC | Thonon Évian FC |
| 08/2020 | | Makan Sidibé | MF |  | Vannes OC | VOC |
| 08/2020 | | Romain Cagnon | GK |  | US Créteil Football | Créteil |
| 08/2020 | | Maxime Etuin | MF | | Le Mans FC | Le Mans |
| 07/2020 | | Quentin Lecoeuche | DF | | AC Ajaccio | AC Ajaccio |
| 07/2020 | | Maxime Pattier | GK |  | Stade Briochin | Stade Briochin |
| 07/2020 | | Samuel Loric | DF |  | US Avranches | US Avranches |
| 07/2020 | | Tom Renaud | MF |  | SO Cholet | SO Cholet |
| 07/2020 |  | Yann Kitala | FW |  | FC Sochaux | Sochaux |
| 07/2020 | | Armand Laurienté | FW | | Stade Rennais | Stade Rennais |