1947-48 Squad
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | PREFERRED FOOT | |
|---|---|---|---|---|---|---|---|---|---|
 | L. Albizua | MF | 10/12/1920 | 26 | Arrigorriaga | ||||
| | E. Aldecoa | FW | 1.76 m | 70 kg | 11/30/1922 | 24 | Deusto | ||
| | A. Aldonza | DF | 1/21/1927 | 20 | Leioa | ||||
| | A. Aramberri | DF | 10/20/1921 | 25 | Deba | ||||
| | T. Arechavala | FW | 9/17/1922 | 24 | Getxo | ||||
| | J. Félix Arrieta | FW | 1/19/1921 | 26 | Barakaldo | ||||
| | M. Barrenechea | DF | 1.76 m | 73 kg | 3/31/1924 | 23 | Plentzia | ||
| | R. Bertol | MF | 12/2/1917 | 29 | Lizartza | ||||
| | J. Luis Bilbao | FW | 9/8/1921 | 25 | Erandio | ||||
| | F. Celaya | DF | 4/15/1921 | 26 | Basauri | ||||
| | J. Luis de Zárate | MF | 5/18/1924 | 23 | Bilbao | ||||
| | M. Fernández | DF | 11/30/1920 | 26 | Barakaldo | ||||
| | A. Gainza | FW | 1.72 m | 71 kg | 5/28/1922 | 25 | Basauri | ||
| | M. Gainza | DF | 7/5/1920 | 27 | Basauri | ||||
| | F. González | MF | 1.75 m | 67 kg | 2/1/1921 | 26 | Getxo | ||
| | J. Iraragorri | FW | 1.78 m | 75 kg | 3/16/1912 | 35 | Basauri | ||
| | R. Iriondo | FW | 1.71 m | 67 kg | 10/24/1918 | 28 | Gernika-Lumo | ||
| | R. Pérez Lezama | GK | 1.78 m | 76 kg | 11/29/1922 | 24 | Barakaldo | ||
| | J. Luis Molinuevo | GK | 1.80 m | 78 kg | 1/22/1917 | 30 | Deusto | ||
| | J. Mugarra | DF | 7/14/1920 | 27 | Getxo | ||||
| | I. Oceja | DF | 5/29/1915 | 32 | Escalante | ||||
| | J. Luis Panizo | FW | 1.73 m | 72 kg | 1/12/1922 | 25 | Sestao | ||
| | A. Uriarte | DF | 6/3/1924 | 23 | Barakaldo | ||||
| | T. Zarra | FW | 1.79 m | 78 kg | 1/20/1921 | 26 | Erandio |
