1940-41 Squad
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | PREFERRED FOOT | |
|---|---|---|---|---|---|---|---|---|---|
 | S. Arqueta | DF | 1/28/1914 | 26 | Erandio | ||||
| | J. Antonio Barrie | GK | 7/28/1915 | 25 | Comillas | ||||
| | R. Bertol | MF | 12/2/1917 | 22 | Lizartza | ||||
| | J. María Echevarría | GK | 10/30/1920 | 19 | Getxo | ||||
| | H. Elices | FW | 4/13/1914 | 26 | Sestao | ||||
| | A. Gainza | FW | 1.72 m | 71 kg | 5/28/1922 | 18 | Basauri | ||
| | F. Gárate | FW | 1/11/1917 | 23 | Durango | ||||
| | R. Iriondo | FW | 1.71 m | 67 kg | 10/24/1918 | 21 | Gernika-Lumo | ||
| | S. Jáuregui | DF | 1/4/1919 | 21 | Bilbao | ||||
| | G. Saturnino Leicea | GK | 2/11/1913 | 27 | Ortuella | ||||
| | J. José Mieza | DF | 2/10/1915 | 25 | Barakaldo | ||||
| | I. Oceja | DF | 5/29/1915 | 25 | Escalante | ||||
| | A. Ortiz | MF | 12/20/1918 | 21 | Basauri | ||||
| | H. Ortúzar | MF | 1/11/1915 | 25 | Santiago de Chile | ||||
| | J. Luis Panizo | FW | 1.73 m | 72 kg | 1/12/1922 | 18 | Sestao | ||
| | V. Unamuno | FW | 5/21/1909 | 31 | Bergara | ||||
| | I. Urra | MF | 9/5/1916 | 23 | Sestao | ||||
| | V. Valle | FW | 4/5/1918 | 22 | Getxo | ||||
| | M. Viar | DF | 6/19/1921 | 19 | Bilbao | ||||
| | L. Zabala | DF | 5/4/1912 | 28 | Durango | ||||
| | T. Zarra | FW | 1.79 m | 78 kg | 1/20/1921 | 19 | Erandio |
