Kammala jumla mai zuwa: Wasan farko na Contreras ga manyan 'yan wasan Guatemala ya kasance da Haiti a watan Agusta 2006, inda ya taimaka wa Mario Rodríguez a wasan da aka yi 1<unk>1. Ya zura kwallo na farko a wasan da suka yi da El Salvador a gasar cin kofin duniya a shekarar
2007 CONCACAF Kofin Zinare.