After completing three goals in 85 appearances playing for the club until mid-2000, the incoming year he moved to Argentina’s Colón de Santa Fe to face the 2000–01 Argentine football season.

[1] At Católica, Pérez became an unmovable player and team’s captain, he helped the club to win the 2005 Torneo Clausura[2] and to reach that season’s Copa Sudamericana semifinals.

He completed a total of twelve goals in 132 appearances during his period between 2004 and 2009 and was one of the referents during that seasons alongside players like Jorge Ormeño or the keeper José María Buljubasich.

After finishing his contract with Universidad Católica, on 18 December 2009, it was reported that Pérez joined Unión San Felipe, freshly promoted to top-level in the age.

[9] From 2012 to 2019, Pérez performed as a football commentator and analyst for the Chilean TV channel Canal del Fútbol.