| Name | Age | Position | Nationality |
|---|---|---|---|
| Jan Oblak | 33 | Goalkeeper | Slovenia |
| Juan Musso | 31 | Goalkeeper | Argentina |
| Mario de Luis | 23 | Goalkeeper | Spain |
| Salvi Esquivel | 20 | Goalkeeper | Spain |
| Marc Pubill | 22 | Defence | Spain |
| José Giménez | 31 | Defence | Uruguay |
| Aleksa Puric | 22 | Defence | Serbia |
| Daniel Martínez | 21 | Defence | Spain |
| Julio Díaz | 21 | Defence | Spain |
| Obed Vargas | 20 | Midfield | Mexico |
| Javier Serrano | 23 | Midfield | Spain |
| Pablo Barrios | 22 | Midfield | Spain |
| Rodrigo Mendoza | 20 | Midfield | Spain |
| Alejandro Monserrate | 20 | Midfield | Spain |
| Taufik | 18 | Midfield | Ghana |
| Ademola Lookman | 28 | Offence | Nigeria |
| Álex Baena | 24 | Offence | Spain |
| Iker Luque | 20 | Offence | Spain |
| Sergio Sánchez | 18 | Offence | Spain |
| Matteo Ruggeri | 23 | Left Midfield | Italy |
| Johnny | 24 | Defensive Midfield | USA |
| Robin Le Normand | 29 | Centre-Back | Spain |
| Julián Álvarez | 26 | Centre-Forward | Argentina |
| Thiago Almada | 24 | Attacking Midfield | Argentina |
| Nahuel Molina | 27 | Right-Back | Argentina |
| Nicolás González | 27 | Right Winger | Argentina |
| Dávid Hancko | 28 | Centre-Back | Slovakia |
| Alexander Sørloth | 30 | Centre-Forward | Norway |
| Antoine Griezmann | 34 | Centre-Forward | France |
| Koke | 34 | Central Midfield | Spain |
| Marcos Llorente | 31 | Right Midfield | Spain |
| Clément Lenglet | 30 | Centre-Back | France |
| Javier Boñar | 20 | Right-Back | Spain |
| Ilias Kostis | 22 | Centre-Back | Cyprus |
| Giuliano Simeone | 23 | Right Winger | Argentina |