Brazil's Yamaguchi Falcao Florentino reacts after defeating Cuba's Julio La Cruz Peraza in a light heavyweight 81-kg quarterfinal boxing match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Darron Cummings)
Brazil's Yamaguchi Falcao Florentino reacts after defeating Cuba's Julio La Cruz Peraza in a light heavyweight 81-kg quarterfinal boxing match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Darron Cummings)