 As coach Francisco Chaparro stayed on the bench for 2008–09, Casto won the battle for first-choice over Ricardo, being the side's undisputed starter during the early stages, a situation which would revert midway through the season.He started often after Ricardo's departure to Leicester City, only being overtaken by Adrián in 2012–13.Casto left the "Verdiblancos" after his contract expired, and resumed his career in the second level, representing Real Murcia, UD Las Palmas, UD Almería, AD Alcorcón and Extremadura UD.