Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2012 |  | Aritz Elustondo | DF |  | Real Sociedad U19 | Real Sociedad U19 |
| 07/2012 | | Gurrutxaga | DF |  | SD Lemona | SD Lemona |
| 07/2012 | | Asensio | FW |  | Club Portugalete | Portugalete |
| 07/2012 | | Gorka Brit | FW |  | Real Unión | Real Unión |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2013 | | Irazusta | GK |  | SD Eibar | Eibar |
| 07/2012 | | Sarasola | DF |  | Olimpija Ljubljana | Olimpija |
| 07/2012 | | Urkizu | DF |  | SD Gernika | Gernika |
| 07/2012 | | Ander | FW |  | Levante UD B | Levante B |
| 07/2012 | | Jon Zabala | GK-CO |  | CD Alavés | Alavés |