Bustillo started his career with the reserve side of Real Zaragoza, Deportivo Aragón. He spent time on loan at UD Mahón, before joining Barcelona in 1969.[4] His first league game for Barcelona would come in El Clásico, against Real Madrid. Having scored two goals, he was seriously injured in a challenge by Pedro de Felipe, suffering a break in both the superficial and deep layers of the internal lateral ligament, damage to the inner meniscus and a rupture to his anterior cruciate ligament.[5] He never fully recovered from this injury, and would make only two more league appearances for Barcelona, before leaving to join CD Málaga in 1972.[4]