Vitali Klitschko a year to heal and possibly prove career ending. To avoid keeping the title out of use he retired. The WBC was grateful for his consideration. On other occasions he cited regrets about his suddenly mounting injuries, a desire to leave the sport while still on top and political aspirations in his home country of Ukraine. Following his retirement, the WBC conferred "champion emeritus" status on Klitschko, and assured him he would become the mandatory challenger if and when he decided to return. On 3 August 2008 the WBC awarded Klitschko a chance to regain his WBC Heavyweight title. After
Wladimir Klitschko done with Lennox Lewis in 1995 to 2003. In 2006, Klitschko regained a portion of the world heavyweight championship after defeating Chris Byrd in a rematch to win the IBF and IBO titles. He won the WBO title for a second time by defeating Sultan Ibragimov in 2008. Following his defeat of Ruslan Chagaev in 2009, Klitschko was awarded the "Ring" and lineal titles, and lastly he won the WBA title from David Haye in 2011. In September 2015, Klitschko was ranked as the world's best active boxer, pound for pound, by BoxRec; in November 2014, he reached a career