 However, on 3 February, Castillo suffered a two weeks injury which he missed the Torneo Apertura second matchday game against Santiago Wanderers that Colo-Colo lost 2–1 with Raúl Olivares in the goal.Not obstant, in his return to Colo-Colo's goal on 18 February he had a poor performance in a 5–1 home loss to Universidad de Concepción that meant the biggest home defeat in the club's history and the worst start of championship since 1989 selling Cagna's firing.Following Cagna's departure arrived 1991 Copa Libertadores champion Luis Pérez as caretaker, who remained Castillo in the goal.