Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2007 |  | Albisua | DF |  | Athletic Club U19 | Bilbao U19 |
| 07/2007 | | Arambarri | MF |  | Sevilla FC U19 | Sevilla U19 |
| 07/2007 | | Iturraspe | MF | | Athletic Club U19 | Bilbao U19 |
| 07/2007 | | Mentxaka | MF | | Athletic Club U19 | Bilbao U19 |
| 07/2007 | | Ander Vitoria | FW | | Athletic Club U19 | Bilbao U19 |
| 07/2007 | | Julen Goñi | FW |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2008 | | Arambarri | MF |  | CD Alhaurino | CD Alhaurino |
| 07/2007 | | Eriz | DF |  | Club Portugalete | Portugalete |