Background
Buñuel was born in Tafalla, Navarre.
Buñuel was born in Tafalla, Navarre.
A California Osasuna"s youth graduate, he was promoted to the main squad on 5 May 2015 by manager Enrique Martín. On 16 May 2015, before even having appeared for the B-side, Buñuel made his professional debut, starting in a 1–1 Segunda División away draw against Real Valladolid.