Vitali Klitschko a year to heal and possibly prove career ending. To avoid keeping the title out of use he retired. The WBC was grateful for his consideration. On other occasions he cited regrets about his suddenly mounting injuries, a desire to leave the sport while still on top and political aspirations in his home country of Ukraine. Following his retirement, the WBC conferred "champion emeritus" status on Klitschko, and assured him he would become the mandatory challenger if and when he decided to return. On 3 August 2008 the WBC awarded Klitschko a chance to regain his WBC Heavyweight title. After
Vitali Klitschko Klitschko was unbeaten and a rising star in the heavyweight division, having won all 27 of his contests by knockout. On 1 April, Klitschko had a third title defense against the American Chris Byrd, who was a late replacement. Byrd made himself a difficult target and tried to thwart Klitschko's offense by being elusive. Klitschko won most of the rounds and was heading towards a comprehensive points victory when he suffered a serious shoulder injury. After the ninth round, Klitschko notified his corner that he had a shoulder pain and threw in the towel, thus handing Klitschko his first defeat