 Nyorai mberi kweiyi ndima - Aragón akakunda 2001 World Championshipsmu welterweight, achikunda Anthony Thompson mumutambo wokupedzisira. Akadzokorora kukunda kwake muna 2003 achikunda Andre Berto mumasemifinal naSherzod Husanov mumutambo wekupedzisira. Aragón akanga ariwo 2003 Pan American Games shasha muchikamu chimwe chete. 