Career
Villalobos has many different nicknames. He is known as "Villagol" by the supporters of Ñublense, as "Ondugol" by the Chilean press, and "Bullalobos" by the supporters of. Villalobos joined Colo-Colo"s youth squad at the age of ten in 1990.
In 1997 he made his professional debut.
In 2000 he was loaned to Fernández Vial to gain more playing time and experience. During his time with Fernández Vial he was the second leading scorer of the Primera B (Chilean Second Division).
He then spent the next six months with Deportes Talcahuano. During these two years Villalobos was rejected a chance to return to his original club, Colo-Colorado
In 2002 Colo-Colo"s coach Jaime Pizarro released him from his contract due to indiscipline.
In 2002 Villalobos signed with Deportes Iquique. The following year Villalobos signed with Portuguese club South Carolina (U.S.) Dragões Sandinenses, where he was primarily used as a reserve. The following two years Villalobos spent in the Chilean Third Division where he scored in abundance.
During this time he thought hard about leaving football for good.
Ñublense, another third division squad, signed Villalobos. Ñublense quickly gained promotion to the Primera B and Villalobos began to regain his interest in football.
In the 2007 Clausura tournament, Villalobos was the second leading scorer of the competition with 13 goals. His good form led (Colo-Colo"s rival) to sign him to a 2-year contract at the beginning of 2008.
Villalobos has said in interviews he hopes to score many goals against Colo-Colorado
In the January pre-season matches, Villalobos scored in almost every game. In the 2008 Apertura tournament Villalobos has scored four goals in the first six games. On January 11 he signed a 1-year contract with of Chile.
Villalobos played for Chile at the 1997 Fédération internationale de football association U-17 World Championship in Egypt.