Ukraine's Oleksandr Usyk, right, reacts after beating Bulgaria's Tervel Pulev during their men's semifinal heavyweight 91-kg boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ivan Sekretarev)
Ukraine's Oleksandr Usyk, right, reacts after beating Bulgaria's Tervel Pulev during their men's semifinal heavyweight 91-kg boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ivan Sekretarev)