Wladimir Klitschko Wladimir Klitschko Wladimir Wladimirowitsch Klitschko (born 25 March 1976) is a Ukrainian former professional boxer who competed from 1996 to 2017. He held the world heavyweight championship twice, including the WBA (Super), IBF, WBO, IBO, "Ring" magazine and lineal titles. A strategic and intelligent boxer, Klitschko is considered to be one of the best heavyweight champions of all time. He was known for his exceptional knockout power, using a strong jab, straight right hand and left hook, as well as excellent footwork and mobility, unusual for boxers of his size. As an amateur, Klitschko represented Ukraine at the 1996 Olympics,
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