Real Unión Club — Spain · founded 1915. Squad, fixtures, standings and transfers on Champslig.
| # | Player | Position |
|---|---|---|
| 1 | Jon Tena Martínez (C) | Goalkeeper |
| 13 | Lander Emery | Goalkeeper |
| 2 | Javier Fontán Mondragón | Defender |
| 3 | Álvaro Mateo Montiel | Defender |
| 4 | Jordi González-Pola González | Defender |
| 5 | Gaizka Martínez Navarro | Defender |
| 8 | Paul Álvarez Plazola | Defender |
| 17 | Unai Medina Pérez | Defender |
| 10 | Martín Arruti Gurruchaga | Midfielder |
| 22 | Juan De La Mata Rodao | Midfielder |
| 23 | Luca Sangalli Fuentes | Midfielder |
| 7 | Unai García Sebastián | Attacker |
| 11 | Aitor Galarza Altuna | Attacker |
| 14 | Yassin Tallal Amiri | Attacker |
| 15 | Martín Merquelanz Castellanos | Attacker |
| 19 | Ekain Azkune Astarloza | Attacker |
| 20 | Ander Martín Odriozola | Attacker |