Oleksandr Usyk

Oleksandr Oleksandrovych Usyk is a Ukrainian professional boxer. He is the undisputed heavyweight champion, holding the WBA (Super), IBF and WBO titles since 2021, the Ring magazine title since 2022, and the WBC title since 2024. Previously, he held the undisputed cruiserweight championship from 2018 to 2019. In both the heavyweight and cruiserweight divisions, he is the first boxer to hold all four major world titles. Usyk is only the third male boxer in history to become the undisputed champion in two weight classes in the four-belt era.