Klitschko won a gold medal at the 1996 Olympics and has held a portion of the world heavyweight championship since 2006, when he defeated Chris Byrd to win the IBF and IBO titles.
Klitschko won a gold medal at the 1996 Olympics and held a portion of the world heavyweight championship from 2006 until 2015. He first defeated Chris Byrd to win the IBF and IBO titles.