Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2021 |  | Rayan Djédjé | MF |  | FC Metz B | FC Metz (CFA) |
| 01/2021 |  | Elias Spago | DF |  | RFC Seraing II | RFC Seraing II |
| 10/2020 |  | Ibrahima Cissé | MF | |||
| 10/2020 | | Timothy Galje | GK | |||
| 10/2020 |  | Danijel Miličević | MF | |||
| 08/2020 |  | Ablie Jallow | FW |  | FC Metz | Metz |
| 07/2020 | | Guillaume Dietsch | GK | | FC Metz | Metz |
| 07/2020 | | Olivier Werner | GK |  | RFC Seraing (1904-1996) | RFC Seraing |
| 07/2020 | | Francesco D'Onofrio | DF |  | K Lierse SK | Lierse |
| 07/2020 |  | Wagane Faye | DF | |||
| 07/2020 | | Yann Godart | DF |  | FC Metz U19 | FC Metz U19 |
| 07/2020 | | Gael Kakudji | DF |  | Royal Antwerp FC II | R. Antwerp II |
| 07/2020 | | Aboubacar Lô | DF | | FC Metz | Metz |
| 07/2020 | | Adel Bourard | MF |  | KAS Eupen II | KAS Eupen II |
| 07/2020 | | Sami Lahssaini | MF | | FC Metz | Metz |
| 07/2020 | | Antoine Bernier | FW |  | F91 Dudelange | F91 Dudelange |
| 07/2020 | | Moussa Gueye | FW | |||
| 07/2020 | | Georges Mikautadze | FW | | FC Metz | Metz |
| 07/2020 | | Amadou N'Diaye | FW |  | FC Sochaux | Sochaux |
| 07/2020 | | Emilio Ferrera | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2020 |  | Warsama Hassan | MF |  | ŠKF Sereď | ŠKF Sereď |
| 09/2020 | | Gael Kakudji | DF |  | RFC Liège | RFC Liège |