Oleksandr Usyk is a Ukrainian professional boxer, widely regarded as one of the best pound-for-pound fighters in the world. He is the unified WBA (Super), IBF, WBO, and The Ring heavyweight champion, having defeated Anthony Joshua twice to claim the titles. Before moving to heavyweight, Usyk reigned as the undisputed cruiserweight champion, holding all four major world titles. Known for his exceptional footwork, ring IQ, and southpaw stance, Usyk is a highly skilled and tactical boxer who has consistently proven himself against top competition.