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 his own. After the Johnson bout, Klitschko's camp began negotiations for a potential fight with former WBA Champion Nikolai Valuev, but the match failed to materialize due to economic disagreements. On 29 May 2010, Vitali Klitschko defeated Polish heavyweight contender Albert Sosnowski by KO at 2:30 in round 10 of 12. Sosnowski was knocked down by a right hand in the 10th round, prompting referee Jay Nady to immediately wave off the fight. The fight took place at Veltins-Arena, Gelsenkirchen, Nordrhein-Westfalen, Germany. Vitali Klitschko weighed in at 112 kg (247 lbs), while Sosnowski weighed in at 110 kg (242.5 lbs).