Wladimir Klitschko toyed with Alex Leapai and knocked him out in the fifth round to retain his three heavyweight belts on Saturday.

Heavyweight world champion Wladimir Klitschko suffered a tendon tear in his left calf and on Friday postponed his title defense against British big man Tyson Fury.

— -- Heavyweight champion Wladimir Klitschko has suffered a torn left biceps, forcing him on Monday to postpone his mandatory defense against Kubrat Pulev that was scheduled for Sept. 6 at ...