Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 06/2018 |  | Ángel Bastos | DF |  | Cultural Leonesa | CD Leonesa |
| 01/2018 | | Oriol Ayala | DF |  | CF Badalona Futur | Badalona Futur |
| 09/2017 |  | Dejan Lekić | FW |  | RCD Mallorca | Mallorca |
| 08/2017 | | Sillero | GK |  | Córdoba CF B | Córdoba CF B |
| 08/2017 | | Juan Domínguez | MF |  | Deportivo A Coruña | Deportivo |
| 08/2017 | | Juan Cámara | MF |  | FC Barcelona B | Barcelona B |
| 07/2017 | | Tito | MF | |||
| 07/2017 | | Álex Menéndez | DF | |||
| 07/2017 | | Pablo Íñiguez | DF |  | Villarreal CF | Villarreal |
| 07/2017 | | Santamaría | GK | | RCD Mallorca | Mallorca |
| 07/2017 | | Adrián Guerrero | DF |  | FC Barcelona U19 | Barcelona U19 |
| 07/2017 | | Gonzalo Pereira | DF | |||
| 07/2017 | | Álex Carbonell | MF |  | FC Barcelona | Barcelona |
| 07/2017 | | Borja Fernández | MF |  | Celta de Vigo | Celta de Vigo |
| 07/2017 |  | Gus Ledes | MF |  | RC Celta B | RC Celta B |
| 07/2017 |  | Abdoul Yoda | MF |  | UD Almería | Almería |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2018 | | Santamaría | GK |  | SD Huesca | Huesca |
| 07/2017 | | Codina | GK |  | CF Fuenlabrada | Fuenlabrada |
| 07/2017 | | Alberto Benito | DF |  | Real Zaragoza | Zaragoza |
| 07/2017 | | Ángel Martínez | DF | | Real Zaragoza | Zaragoza |
| 07/2017 | | Srđjan Babić | DF |  | Real Sociedad B | Real Sociedad B |
| 07/2017 | | Melli | DF |  | CD Mirandés | Mirandés |
| 07/2017 | | Albístegui | MF | | CD Mirandés | Mirandés |
| 07/2017 | | Ramón Folch | MF |  | Real Oviedo | Oviedo |
| 07/2017 |  | Jorge Díaz | FW | | Real Zaragoza | Zaragoza |
| 07/2017 | | Natxo González | MA | | Real Zaragoza | Zaragoza |