Oleksandr Usyk
Oleksandr Oleksandrovych Usyk is a Ukrainian professional boxer. He was the undisputed cruiserweight champion from 2018 until he vacated his titles in 2019. As an amateur, he won gold medals at the 2011 World Championships and 2012 Olympics. He turned professional in 2013 and became the undefeated champion of his weight class by his fifteenth fight. He is the most...