Usyk is the most recent male boxer to simultaneously hold the WBA , WBC , IBF and WBO titles since Terence Crawford in 2017 , and is one of only six boxers in history to do so after Crawford , Jermain Taylor , Bernard Hopkins , Cecilia Brækhus , and Claressa Shields .
Less than six boxers have simultaneously held the WBA , WBC , IBF , and WBO titles .