Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2020 |  | Thomas Callens | GK |  | SM Caen | SM Caen |
| 10/2020 |  | Yoann Étienne | DF |  | AS Monaco U21 | Monaco (CFA) |
| 10/2020 |  | Josué Homawoo | DF |  | FC Nantes | FC Nantes |
| 09/2020 | | Junior Burban | FW |  | SO Cholet | SO Cholet |
| 07/2020 | | Brendan Lebas | MF |  | Girondins Bordeaux B | Bordeaux (CFA) |
| 07/2020 | | Tom Laurent | GK |  | FC Lorient U17 | U17 |
| 07/2020 | | Nolann Quémard | DF | | FC Lorient U17 | U17 |
| 07/2020 | | Saïd Amrichate | MF | |||
| 07/2020 | | Malamine Doumbouya | MF |  | Stade Rennais B | Rennais (CFA) |
| 07/2020 |  | Ronny Labonne | MF |  | AS Saint-Priest | AS Saint-Priest |
| 07/2020 | | Kilian Liri | MF |  | FC Lorient U19 | U19 |
| 07/2020 | | Jeremy Kumbi | FW |  | JA Drancy | J.A.D. |
| 07/2020 | | Michaël Nilor | FW |  | US Avranches | US Avranches |
| 07/2020 |  | Dango Ouattara | FW |  | Majestic FC | Majestic FC |
| 07/2020 | | Pablo Pagis | FW |  | FC Lorient | Lorient |
| 07/2020 | | Jean-Marie David | AS-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2021 | | Kemy Amiche | FW |  | Dinan Léhon | Dinan |
| 08/2020 | | Taylor Salibur | MF |  | Olympic Charleroi | ROCCM |
| 07/2020 | | Maxime Pattier | GK |  | Stade Briochin | Stade Briochin |
| 07/2020 | | Albin Demouchy | DF |  | US Quevilly-Rouen | US Quevilly |
| 07/2020 |  | Yann Kitala | DF |  | FC Sochaux | Sochaux |
| 07/2020 | | Bradley Locko | DF |  | Stade de Reims B | Reims B |
| 07/2020 | | Samuel Loric | DF | | US Avranches | US Avranches |
| 07/2020 | | Tristan Boubaya | MF |  | US Concarneau | Concarneau |
| 07/2020 | | Tom Renaud | MF | | SO Cholet | SO Cholet |
| 07/2020 | | Junior Burban | FW | | SO Cholet | SO Cholet |
| 07/2020 | | Armand Laurienté | FW |  | Stade Rennais | Stade Rennais |