China's Zou Shiming, left, fights Kazakhstan's Birzhan Zhakypov in a men's quarterfinal light flyweight 49-kg quarterfinal boxing match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Ivan Sekretarev)
China's Zou Shiming, left, fights Kazakhstan's Birzhan Zhakypov in a men's quarterfinal light flyweight 49-kg quarterfinal boxing match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Ivan Sekretarev)