How far can Oleksander Usyk go at heavyweight?

By Gav Duthie: It has been over 30 years since the undisputed Cruiserweight champion Evander Holyfield decided to make his assault on the heavyweight division when he stopped James Tillis in 1988. He is the only ever truly successful fighter who has transitioned between the two divisions and now Ukrainian sensation Oleksandr Usyk plans to […]
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