Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2013 |  | Irazusta | GK |  | SD Beasain | SD Beasain |
| 01/2013 | | Julen Iriarte | FW |  | CD Laudio | CD Laudio |
| 07/2012 | | Errasti | GK | |||
| 07/2012 | | Jon Altamira | GK | |||
| 07/2012 |  | Aboubacar Diarra | DF | |||
| 07/2012 | | Raúl Navas | DF |  | RC Celta B | RC Celta B |
| 07/2012 | | Sagastibeltza | DF |  | CD Teruel | CD Teruel |
| 07/2012 | | Yuri | DF |  | Real Unión | Real Unión |
| 07/2012 | | Aketxe | MF |  | Real Sociedad B | Real Sociedad B |
| 07/2012 | | Dani García | MF |  | Getafe CF B | Getafe B |
| 07/2012 | | del Olmo | MF |  | Hércules CF | Hércules |
| 07/2012 | | Diego Jiménez | MF |  | CD Alcoyano | Alcoyano |
| 07/2012 | | Errasti | MF | | Real Sociedad B | Real Sociedad B |
| 07/2012 | | Jito | FW |  | CD Alavés | Alavés |
| 07/2012 | | Guille Roldán | FW | | CD Alcoyano | Alcoyano |
| 07/2012 | | Gaizka Garitano | MA |  | SD Eibar B | SD Eibar B |
| 07/2012 | | Patxi Ferreira | AS-CO | |||
| 07/2012 | | Lafuente | GK-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2013 | | Haritz Albisua | MF |  | CD Elgoibar | CD Elgoibar |
| 01/2013 | | Aketxe | MF |  | Sestao River | Sestao River |
| 07/2012 | | Zigor | GK |  | SD Amorebieta | SD Amorebieta |
| 07/2012 | | Ángel Ortega | DF |  | UD Alzira | UD Alzira |
| 07/2012 | | Espín | DF |  | CD Guadalajara | Guadalajara |
| 07/2012 | | Juaristi | DF | | CD Laudio | CD Laudio |
| 07/2012 | | Altuna | MF | | SD Amorebieta | SD Amorebieta |
| 07/2012 | | Íñigo Ros | MF |  | CD Tenerife | Tenerife |
| 07/2012 | | Tornero | MF |  | Ontinyent CF | Ontinyent CF |
| 07/2012 | | Valín | MF | | Real Unión | Real Unión |
| 07/2012 | | Gabri Gómez | FW |  | CF Badalona | CF Badalona |