| Name | Age | Pos. | Team | Nat. |
|---|---|---|---|---|
| Aitor Arasa Aitor Arasa Fernandez | 37 | Goalkeeper | Real Madrid |
|
| Jose Arroyo José Luís Arroyo Sanz | 35 | Midfielder,Central midfielder | Villarrubia CF |
|
| Arias Gomez, Rafael Rafael Arias Gomez | 31 | Real Madrid |
|
|
| Arribas Blázquez, Sergio Sergio Arribas Blázquez | 30 | Defender | ------Archive-Professional------ |
|
| Aarón Aarón Areses Poderoso | 28 | Defender,Right back | Real Sociedad Deportiva Alcalá |
|
| Arangon Miguel Maria Aragón Chirino | 38 | Goalkeeper | ------Archiv-Seniorenbereich------- |
|
| Fran Arenas Francisco Javier Arenas Cortes | 34 | Forward | ------Archive-Professional------ |
|
| Alex Arias Alejandro Miguel Arias de Haro | 36 | Midfielder | Club Marino Luanco |
|
| David Aroca David Aroca Cuatrecasas | 31 | Goalkeeper | Real Zaragoza |
|
| Oscar Arroyo Óscar Arroyo Font | 31 | Defender,Right back | Real Madrid |
|
| Urko Urko Arroyo Rivas | 38 | Forward | - |
|
| Jokin Esparza Jokin Arcaya Esparza | 37 | Midfielder,Left winger,Attacking midfielder | -Karriereende- |
|
| Mikel Arruabarrena Mikel Arruabarrena Aranbide | 42 | Forward,Striker | AEL Limassol |
|
| Arkaya Xabier Arcaya Esparza | 31 | Midfielder | -Sportinvalide- |
|
| Aranguren Ollo, Adrian Adrian Aranguren Ollo | - | Midfielder | CA Osasuna |
|
| Inaki Aranguren Iñaki Aranguren Etxarte | 32 | Midfielder,Left midfielder | UDC Chantrea |
|
| Arribalzaga Lander Arribalzaga Larrauri | 32 | Defender,Right centre back | Unión Deportiva Aretxabaleta Kirol Elkartea |
|
| Ander Artabe Ander Artabe Sánchez | 32 | Defender,Left back | Urduliz Fútbol Taldea |
|
| Arteagabeitia Ander Arteagabeitia Jauregi | 32 | Athletic Bilbao |
|
|
| Kepa Arrizabalaga Kepa Arrizabalaga Revuelta | 31 | Goalkeeper | Arsenal London FC |
|
| Arufe Julen Arufe Badiola | 31 | Midfielder | Club Deportivo Elgóíbar |
|
| Areitioaurtena Andoni Areitioaurtena Pagalda | 30 | Forward | Athletic Bilbao |
|
| Markel Areitio Markel Areitio Cedrún | 29 | Goalkeeper | ------Archiv-Seniorenbereich------- |
|
| Arriaga Gomariz, Kerman Kerman Arriaga Gomariz | 29 | Athletic Bilbao |
|
|
| Aitor Arego Aitor Arego Ruiz | 28 | Defender | Athletic Bilbao |
|
| Iñigo Arzuaga Iñigo Arzuaga Mesa | 28 | Midfielder,Central midfielder | Athletic Bilbao |
|
| Ander Arceo Andér Arceo Samaniego | 28 | Defender,Wingback right/left | Indautxu Sociedad Deportiva |
|
| Josué Josué Arango Vázquez | 32 | Midfielder | Celta Vigo |
|
| Samu Samuel Araujo Fernández | 29 | Defender,Left back | Celta Vigo |
|
| David David Areal Uceira | 27 | Defender | Celta Vigo |
|
| Diego Arnejo Diego Arnejo Calviño | 37 | Midfielder,Attacking midfielder | FC Santa Comba |
|
| Arana Manuel Jesús Arana Rodríguez | 40 | Midfielder,Right midfielder | ------Archiv-Seniorenbereich------- |
|
| Asier Arranz Asier Arranz Martín | 38 | Midfielder,Left midfielder | Club Deportivo Numancia de Soria, S.A.D. |
|
| Arrazola de Onate, Yarne Yarne Arrazola de Onate | 28 | Goalkeeper | - |
|
| Marc Arnau Marc Arnau | 29 | Midfielder,Midfield allrounder | Escola de Fútbol Grup Excursionista i Esportiu Gironí (GEiEG) |
|
| Jon Aranda Jon Aranda Goenaga | 32 | Defender,Right back | Zamudio SD |
|
| Fernando Aristeguieta Fernando Luis Aristigueta de Luca | 33 | Forward,Striker | Puebla FC |
|
| Aranda Juan Francisco Aranda Rodríguez | 37 | Defender,Right back | UD Melilla |
|
| Alejandro Arribas Alejandro Arribas Garrido | 36 | Defender,Centre back | ------Archive-Professional------ |
|
| Anaitz Arbilla Anaitz Arbilla Zabala | 38 | Defender,Left back | SD Eibar |
|
| Aroca Alvarez, Cristobal Cristobal Aroca Alvarez | 29 | Forward | Real Betis Sevilla |
|
| Arroyabe Estrada, Borja Borja Arroyabe Estrada | 36 | Midfielder,Playmaker | ------Archiv-Seniorenbereich------- |
|
| David Armengol David Armengol Gonzalez | 39 | Goalkeeper | ------Archive-Professional------ |
|
| Raúl Raul Aranda Ballesta | 30 | Midfielder | Villarreal CF |
|
| Juan Jesús Argüez Ruiz Juan Jesus Arguez Ruiz | 30 | Forward,Attacking midfielder | ------Archive-Professional------ |
|
| Sergio Sergio Arenas Llagostera | 36 | Goalkeeper | ------Archiv-Seniorenbereich------- |
|
| Álvaro Arroyo Álvaro Arroyo Martínez | 37 | Defender,Right back | -Karriereende- |
|
| Arri Mikel Arrizabalaga Arrizabalaga | 37 | Defender,Right winger,Left back | -Sportinvalide- |
|
| Arbas Redondo, Néstor Néstor Arbas Redondo | 29 | Midfielder,Wingback right/left | Sporting Gijón |
|
| Aristu Romera, Eduardo Eduardo Aristu Romera | 33 | Defender | CA Osasuna |
|