Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2017 |  | Marko Bakić | MF |  | S.C. Braga | S.C. Braga |
| 01/2017 |  | Lucien Owona | DF |  | CF Villanovense | Villanovense |
| 01/2017 |  | Álvaro | DF |  | AD Alcorcón B | AD Alcorcón B |
| 01/2017 |  | Foued Kadir | MF |  | Getafe CF | Getafe |
| 01/2017 | | Jacobo Alcalde | FW | | AD Alcorcón B | AD Alcorcón B |
| 11/2016 | | Óscar Arribas | FW | |||
| 10/2016 | | Julio Velázquez | MA | |||
| 09/2016 | | Adrian Diéguez | DF | | AD Alcorcón B | AD Alcorcón B |
| 08/2016 | | Pablo Pérez | MF |  | Sporting Gijón | Sporting Gijón |
| 08/2016 | | Víctor Pérez | MF |  | Real Valladolid | Valladolid |
| 08/2016 | | Elgezabal | DF |  | SD Eibar | Eibar |
| 07/2016 |  | Carlos Luque | MF |  | Internacional | Internacional |
| 07/2016 | | Navarro | DF | |||
| 07/2016 | | Tropi | MF | |||
| 07/2016 |  | Cosmin Contra | MA |  | Guangzhou City | Guangzhou City |
| 07/2016 | | Luis | FW | |||
| 07/2016 | | Iván Alejo | FW | |||
| 07/2016 | | Samu Delgado | MF | |||
| 07/2016 | | Aguza | MF | |||
| 07/2016 | | Iván González | DF |  | ASA Târgu Mureş | ASA Târgu Mureş |
| 07/2016 | | Ramiro | DF |  | CD Guijuelo | CD Guijuelo |
| 07/2016 | | Antonio Martínez | MF |  | CD Numancia | Numancia |
| 07/2016 | | Jacobo | MF |  | Real Madrid U19 | Real Madrid U19 |
| 07/2016 | | Manuel Sánchez | MF |  | CA Osasuna | Osasuna |
| 07/2016 | | Álvaro Giménez | FW |  | Elche CF | Elche CF |
| 07/2016 |  | Sidiki Maiga | FW | |||
| 07/2016 |  | Jorge Orgaz | FW |
