1945-46 Squad
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | PREFERRED FOOT | |
|---|---|---|---|---|---|---|---|---|---|
 | L. Albizua | MF | 10/12/1920 | 24 | Arrigorriaga | ||||
| | M. Barrenechea | DF | 1.76 m | 73 kg | 3/31/1924 | 21 | Plentzia | ||
| | J. Luis Bergareche | DF | 5/27/1921 | 24 | Erandio | ||||
| | R. Bertol | MF | 12/2/1917 | 27 | Lizartza | ||||
| | J. Luis Bilbao | FW | 9/8/1921 | 23 | Erandio | ||||
| | F. Celaya | DF | 4/15/1921 | 24 | Basauri | ||||
| | A. Gainza | FW | 1.72 m | 71 kg | 5/28/1922 | 23 | Basauri | ||
| | M. Gainza | DF | 7/5/1920 | 25 | Basauri | ||||
| | F. Gárate | FW | 1/11/1917 | 28 | Durango | ||||
| | B. González | FW | 3/31/1926 | 19 | Basauri | ||||
| | F. González | MF | 1.75 m | 67 kg | 2/1/1921 | 24 | Getxo | ||
| | R. Iriondo | FW | 1.71 m | 67 kg | 10/24/1918 | 26 | Gernika-Lumo | ||
| | R. Pérez Lezama | GK | 1.78 m | 76 kg | 11/29/1922 | 22 | Barakaldo | ||
| | J. José Mieza | DF | 2/10/1915 | 30 | Barakaldo | ||||
| | J. Mugarra | DF | 7/14/1920 | 25 | Getxo | ||||
| | I. Oceja | DF | 5/29/1915 | 30 | Escalante | ||||
| | J. Luis Panizo | FW | 1.73 m | 72 kg | 1/12/1922 | 23 | Sestao | ||
| | V. Pérez | FW | 1.81 m | 80 kg | 4/22/1921 | 24 | Sestao | ||
| | J. Francisco Rivero | GK | 8/17/1924 | 21 | Aranguren | ||||
| | I. Urra | MF | 9/5/1916 | 28 | Sestao | ||||
| | T. Zarra | FW | 1.79 m | 78 kg | 1/20/1921 | 24 | Erandio |
