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
Vitali Klitschko heavyweight champion of all time, has the fifth longest combined world championship reign in history at 2,735 days, the third longest individual WBC heavyweight title streak of all time at 9 consecutive defenses and the 4th longest combined title streak in the modern heavyweight history at 15 title bouts. He held the WBO title from 1999 to 2000; the "Ring" magazine title from 2004 to 2005; and the WBC title twice, from 2004 to 2005 and from 2008 to 2013. Standing at 2.01 metres (6 feet 7 inches), Klitschko was renowned for having exceptional ring dominance. With an 87% knockout