Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2017 |  | Achille Degan | MF | |||
| 09/2017 | | Maxime Jaffrès | FW |  | Saint-Colomban Locminé | Saint-Colomban Locminé |
| 07/2017 | | Cédric Adam | GK | |||
| 07/2017 | | Christopher Ah Ting | GK |  | AS Vitré | AS Vitré |
| 07/2017 |  | Ibrahima Sy | GK |  | FC Lorient | Lorient |
| 07/2017 | | Pierre Le Bel | DF | |||
| 07/2017 | | Samuel Loric | DF |  | Vannes OC U19 | U19 |
| 07/2017 | | Erwan Quintin | DF |  | Stade Lavallois | Laval |
| 07/2017 | | Alexandre Lavenant | MF | | FC Lorient | Lorient |
| 07/2017 | | Diego Michel | MF |  | TA Rennes | TA Rennes |
| 07/2017 | | Vincent Morhan | MF | | Vannes OC U19 | U19 |
| 07/2017 | | Louis Le Bescond | FW | | Vannes OC U19 | U19 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2017 | | Stéphan Welsh | DF |  | Châteaubriant Voltigeurs | Châteaubriant |
| 07/2017 | | Mathis Person | MF |  | GSI Pontivy | GSI Pontivy |
| 07/2017 | | Amaury Le Nouen | FW | | GSI Pontivy | GSI Pontivy |