Klitschko brothers represented Ukraine at the 1996 Olympics, winning a gold medal in the super-heavyweight division. In 1996, when still an amateur, Vitali Klitschko tested positive for a banned substance and was removed from the Ukrainian boxing team. In June 1999, Vitali Klitschko won the WBO Heavyweight title from Herbie Hide via second-round knockout. He successfully defended the title twice before losing it to Chris Byrd. Six months later, younger brother Wladimir dethroned Byrd via lopsided points decision. He registered five successful title defenses, all by TKO until suffering an upset TKO loss to Corrie Sanders in March 2003. Vitali Klitschko lost
Wladimir Klitschko vs. David Haye came to nothing. Haye reiterated a challenge to Klitschko to fight him in 2009. In his second fight, he wanted to fight JD Chapman who he claimed was a similar style to the Klitschkos. Haye also added that the heavyweight division was scared of him. In July 2008 Wladimir Klitschko said that Haye was a possible opponent for him to fight next. Haye started to call out the Klitschkos after he knocked out Monte Barret in the 5th round in 2008. In late 2008 Haye and Vitali verbally agreed to terms to fight in the summer. However Klitschko fought mandatory