Oleksandr Usyk
Undisputed champion at cruiserweight and heavyweight, 2012 Olympic gold
Overview
The Ukrainian southpaw won London 2012 heavyweight gold, then swept the World Boxing Super Series to become the first four belt undisputed cruiserweight champion in 2018. Moving up, he beat Anthony Joshua twice and then outpointed Tyson Fury in May 2024 to become the first undisputed heavyweight champion of the four belt era, unbeaten at 22-0.
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