Career
Nicknamed Chepe, Martínez came through the Instituto Nacional de Apopa to earn himself a contract with Atlético Marte in 2000. He then had a short spell at San Salvador F.C. before joining Luis Ángel Firpo with whom he spent a couple of years. In 2007 he moved to Alianza, only for him to return to Marte two years later.
In 2010 he apparently finished his career to take up cycling, but in 2011 he took up coaching youth players.
Martínez made his debut for El Salvador in a March 2004 friendly match against Guatemala and has earned a total of 27 caps, scoring 2 goals. His final international game was a July 2008 friendly match against Guatemala.
International goals
Scores and results list El Salvador"s goal tally first.