Wladimir Klitschko beats David Haye in the world heavyweight title unification bout . Ukrainian giant now holds IBF , WBO and WBA versions of the title . - March 22 –
Wladimir Klitschko beats David Haye in the world heavyweight title unification bout . Ukrainian giant now holds IBF , WBO and WBA versions of the title . Klitschko 's brother Vitali is the WBC champion , but they have said they will not fight .