Cuba's Lazaro Alvarez Estrada, left, fights Joseph Diaz Jr, of the United States, during their men's bantam 56-kg boxing match at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP ... more 

Cuba's Lazaro Alvarez Estrada, left, fights Joseph Diaz Jr, of the United States, during their men's bantam 56-kg boxing match at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Ivan Sekretarev) less