Career
Montero started his career at Alajuelense in 2001 before moving to Herediano in 2009. Montero He also participated in the 2001 Fédération internationale de football association World Youth Championship in Argentina. He made his senior debut for Costa Rica in a February 2005 Fédération internationale de football association World Cup qualification match against Mexico and earned a total of 6 caps, scoring no goals.
His final international was an October 2009 World Cup qualification match against the United States.
