1931-32 Squad
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | PREFERRED FOOT | |
|---|---|---|---|---|---|---|---|---|---|
 | M. Aramburu | MF | |||||||
| | J. Arana | DF | 4/27/1911 | 20 | Deba | ||||
| | E. Arrizabalo | DF | 8/3/1910 | 21 | Deba | ||||
| | A. González de Audicana | MF | 4/16/1901 | 30 | Durango | ||||
| | J. Echeverría | FW | 2/21/1908 | 23 | Bilbao | ||||
| | M. Garay | GK | 1/25/1901 | 30 | Pasaia | ||||
| | R. Ibarraran | FW | 2/28/1909 | 22 | Gernika-Lumo | ||||
| | S. Lecue | MF | 2/11/1912 | 19 | Arrigorriaga | ||||
| | A. Mardones | GK | 2/8/1910 | 21 | Tártales de Cilla | ||||
| | J. Mardones | DF | 2/4/1914 | 17 | Vitoria-Gasteiz | ||||
| | V. Olano | MF | 4/16/1909 | 22 | Sestao | ||||
| | F. Pérez | MF | Sestao | ||||||
| | D. Germán Saiz | MF | 6/8/1912 | 19 | Molledo | ||||
| | I. Fernando Sañudo | FW | 1/23/1912 | 19 | Torrelavega | ||||
| | J. Trillo | MF | 9/22/1912 | 18 | Erandio | ||||
| | L. Urquiri | MF | 9/1/1906 | 24 | Deba | ||||
| | R. Urreta | GK | 9/30/1912 | 18 | Vitoria-Gasteiz |
