
Wladimir Klitschko left heavyweight star twitching on the canvas after brutal KO in sparring, fellow heavyweight says
Wladimir Klitschko retired after his losses to Tyson Fury and Anthony Joshua, and left behind a legacy as one of the greatest heavyweights of all time. Wladimir ‘Dr. Steelhammer’ Klitschko still holds the records today for longest cumulative heavyweight …