1948-49 Squad
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | PREFERRED FOOT | |
|---|---|---|---|---|---|---|---|---|---|
 | E. Aldecoa | FW | 1.76 m | 70 kg | 11/30/1922 | 25 | Deusto | ||
| | A. Aldonza | DF | 1/21/1927 | 21 | Leioa | ||||
| | A. Aramberri | DF | 10/20/1921 | 26 | Deba | ||||
| | J. Félix Arrieta | FW | 1/19/1921 | 27 | Barakaldo | ||||
| | M. Barrenechea | DF | 1.76 m | 73 kg | 3/31/1924 | 24 | Plentzia | ||
| | R. Bertol | MF | 12/2/1917 | 30 | Lizartza | ||||
| | J. Luis Bilbao | FW | 9/8/1921 | 26 | Erandio | ||||
| | F. Celaya | DF | 4/15/1921 | 27 | Basauri | ||||
| | A. Gainza | FW | 1.72 m | 71 kg | 5/28/1922 | 26 | Basauri | ||
| | M. Gainza | DF | 7/5/1920 | 28 | Basauri | ||||
| | F. González | MF | 1.75 m | 67 kg | 2/1/1921 | 27 | Getxo | ||
| | J. Iraragorri | FW | 1.78 m | 75 kg | 3/16/1912 | 36 | Basauri | ||
| | R. Iriondo | FW | 1.71 m | 67 kg | 10/24/1918 | 29 | Gernika-Lumo | ||
| | R. Pérez Lezama | GK | 1.78 m | 76 kg | 11/29/1922 | 25 | Barakaldo | ||
| | J. Maguregui | GK | 8/30/1928 | 20 | Getxo | ||||
| | J. Luis Molinuevo | GK | 1.80 m | 78 kg | 1/22/1917 | 31 | Deusto | ||
| | J. Mugarra | DF | 7/14/1920 | 28 | Getxo | ||||
| | J. Luis Panizo | FW | 1.73 m | 72 kg | 1/12/1922 | 26 | Sestao | ||
| | V. Pérez | FW | 1.81 m | 80 kg | 4/22/1921 | 27 | Sestao | ||
| | N. Sagarduy | DF | 1.70 m | 66 kg | 3/18/1931 | 17 | Barakaldo | ||
| | T. Zarra | FW | 1.79 m | 78 kg | 1/20/1921 | 27 | Erandio |
