| No. | Player | Nationality | Born | Position | Height |
|---|---|---|---|---|---|
| 1 | Juan Musso |  Argentina | 1994 | Goalkeeper | 1.91 m |
| 13 | Jan Oblak | Slovenia | 1993 | Goalkeeper | 1.89 m |
| 31 | Salvi Esquivel | Spain | 2005 | Goalkeeper | 1.93 m |
| 33 | Mario de Luis | Spain | 2002 | Goalkeeper | 1.84 m |
| 51 | Álvaro Moreno | Spain | 2006 | Goalkeeper | 1.88 m |
| 2 | José Giménez | Uruguay | 1995 | Defender | 1.85 m |
| 3 | Matteo Ruggeri | Italy | 2002 | Defender | 1.87 m |
| 14 | Marcos Llorente | Spain | 1995 | Defender | 1.84 m |
| 15 | Clément Lenglet | France | 1995 | Defender | 1.85 m |
| 16 | Nahuel Molina | Argentina | 1998 | Defender | 1.75 m |
| 17 | Dávid Hancko | Slovakia | 1997 | Defender | 1.88 m |
| 18 | Marc Pubill | Spain | 2003 | Defender | 1.90 m |
| 24 | Robin Le Normand | Spain | 1996 | Defender | 1.87 m |
| 26 | Ilias Kostis | Greece | 2003 | Defender | 1.88 m |
| 30 | Javier Boñar | Spain | 2005 | Defender | 1.80 m |
| 30 | Dani Martinez | Spain | 2004 | Defender | 1.86 m |
| 34 | Julio Díaz | Spain | 2005 | Defender | 1.74 m |
| 40 | Aleksa Purić | Serbia | 2003 | Defender | 1.96 m |
| 41 | Carlos Giménez | Spain | 2003 | Defender | 1.81 m |
| 43 | Gerónimo Spina | Argentina | 2005 | Defender | 1.87 m |
| 4 | Rodrigo Mendoza | Spain | 2005 | Midfielder | 1.82 m |
| 5 | Johnny Cardoso | USA | 2001 | Midfielder | 1.82 m |
| 6 | Jorge Koke | Spain | 1992 | Midfielder | 1.77 m |
| 8 | Pablo Barrios | Spain | 2003 | Midfielder | 1.81 m |
| 10 | Álex Baena | Spain | 2001 | Midfielder | 1.74 m |
| 11 | Thiago Almada | Argentina | 2001 | Midfielder | 1.71 m |
| 21 | Obed Vargas | Mexico | 2005 | Midfielder | 1.75 m |
| 27 | Jano Monserrate | Spain | 2006 | Midfielder | 1.77 m |
| 28 | Aitor Gismera | Spain | 2004 | Midfielder | 1.82 m |
| 38 | Taufik Seidu | Spain | 2008 | Midfielder | 1.78 m |
| 42 | Javi Serrano | Spain | 2003 | Midfielder | 1.75 m |
| 47 | Javi Morcillo | Spain | 2006 | Midfielder | 1.83 m |
| 7 | Antoine Griezmann | France | 1991 | Forward | 1.75 m |
| 9 | Alexander Sørloth | Norway | 1995 | Forward | 1.75 m |
| 19 | Julián Alvarez | Argentina | 2000 | Forward | 1.70 m |
| 20 | Giuliano Simeone | Argentina | 2002 | Forward | 1.84 m |
| 22 | Ademola Lookman | Nigeria | 1997 | Forward | 1.74 m |
| 23 | Nicólas González | Argentina | 1998 | Forward | 1.80 m |
| 29 | Rayane Belaid | Spain | 2005 | Forward | 1.74 m |
| 35 | Abde Raihani | Morocco | 2004 | Forward | 1.87 m |
| 37 | Iker Luque | Spain | 2005 | Forward | 1.68 m |
| 45 | Sergio Esteban | Spain | 2007 | Forward |
