Wikipedia - Esquiva Falcão
Esquiva Falcão Florentino (born 12 December 1989) is a Brazilian professional boxer. As an amateur, he won a bronze medal at the 2011 World Championships and silver at the 2012 Olympics. As a professional boxer, he accumulated a record of 30 straight wins before losing to Vincenzo Gualtieri by a 12-round unanimous decision in a fight for the vacant IBF middleweight title, his first-ever loss.