Athletic Bilbao
Zugänge
| ab | Name | Pos | Mannschaft | Team | ||
|---|---|---|---|---|---|---|
| 07/2021 |  | Julen Agirrezabala | TW | |||
| 07/2021 | | Petxarroman | AB |  | Real Sociedad B | Real Sociedad B |
| 07/2021 | | Vivian | AB |  | CD Mirandés | Mirandés |
| 07/2021 | | Córdoba | MF |  | CD Alavés | Alavés |
| 07/2021 |  | Kenan Kodro | ST |  | Real Valladolid | Valladolid |
| 07/2021 | | Nicolás Serrano | ST |  | Athletic Bilbao B | Bilbao B |
Abgänge
| ab | Name | Pos | Mannschaft | Team | ||
|---|---|---|---|---|---|---|
| 08/2021 | | Córdoba | MF |  | Go Ahead Eagles | Go Ahead Eagles |
| 08/2021 | | Kenan Kodro | ST |  | Fehérvár FC | Fehérvár FC |
| 07/2021 | | Beñat Prados | MF | | Athletic Bilbao B | Bilbao B |
| 07/2021 | | Iñigo Vicente | ST | | CD Mirandés | Mirandés |