Wladimir Klitschko Universum Box-Promotion in Hamburg under the tutelage of Fritz Sdunek, often being featured on fight cards alongside his elder brother Vitali. After building an undefeated record of 24–0 with 22 KOs, he suffered his first loss to 24–13–1 Ross Puritty, in what was Klitschko's first and only professional fight in Ukraine. Puritty forced Klitschko, who had at that time not gone beyond 8 rounds, to punch himself out. Klitschko began to be overwhelmed in the 10th round and went down twice but was allowed to continue. At the start of the 11th round, with Puritty continuing to land hard punches,
Klitschko brothers Vitali Klitschko was described as being the best of his time, and George Foreman stated that he has the best straight left in the division. As heavyweight champion, Wladimir was unbeaten for over a decade. Wladimir Klitschko is considered to be one of the greatest heavyweight champions of all time, and amongst the hardest punching knockout artists in history. He has been heavily praised for his fundamental approach to boxing, during which he nullifies opponents with his jab, before knocking opponents out with a straight right. His reign as champion is second only to the reign of Joe Louis. While