Career
Martinez began his career with top Costa Rican side Deportivo Saprissa. His first appearance with the club was in the 2009 Torneo de Invierno, this coming after a successful role in the 2009 Fédération internationale de football association U-20 World Cup. Josué was an important part of The Purple Monster, being one of its top goalscorers in that tournament also scoring the 1-0 winning goal against Liga Deportiva Alajuelense in the first of two matches of "El Clásico" de Costa Rica, at Ricardo Saprissa Stadium in San José.
He wore the number 28 for Saprissa and scored 19 goals in 66 league matches with the club
Martinez also scored an important goal during the CONCACAF Champions League which sent Saprissa to the 2010-2011 knockout stage. On October 19, 2010 in a match that was played in Seattle, Martinez"s scored an 89th-minute goal beating Seattle Sounders goalkeeper, Kasey Keller which helped Saprissa to a 2-1 victory.
On 7 December 2011, Philadelphia Union signed the Costa Rican international. In his first season in Major League Soccer Martinez appeared in 18 league matches and scored 1 goal.
On 6 December 2012, Martinez was traded to New York Red Bulls along with allocation money for Sebastien Le Toux.
Martínez was waived by New York on March 29, 2013. He scored two goals in the competition. Martinez is considered a promising prospect for Costa Rican football and its National Team, he debuted with the full national team in 2009 prior to his debut with the Saprissa first team
Scores and results list.
Costa Rica"s goal tally first.
