 Martínez akaita mutambo wake wekutanga kuHonduras mumutambo waJune 1996 wekushamwaridzana neVenezuela, umo akawana chinangwa pakarepo mumasekondi ekupedzisira, uye akawana huwandu hwe18 caps, achiwana 1 chinangwa. Akamirira nyika yake mumutambo mumwe chete weFIFA World Cup uye akatamba mu1997 UNCAF Nations Cup, pamwe ne2003 CONCACAF Gold Cup. 