Contreras akatanga kutamba nechikwata chevakuru cheGuatemala vachipesana neHaiti muna Nyamavhuvhu 2006, kwaakaita rubatsiro kuna Mario Rodríguez mukukwikwidza 1<unk>1. Akatora chinangwa chake chekutanga chenyika yose mumutambo neEl Salvador mu2007 CONCACAF Gold Cup
.