Former undisputed cruiserweight champion Oleksandr Usyk will face American Chazz Witherspoon in his heavyweight debut after original opponent Tyrone Spong returned an adverse doping test, the Ukrainian boxer’s co-promoter, Eddie Hearn, has said on Twitter.
Ukrinform: Usyk to fight Witherspoon in Chicago
Oleksandr Usyk of Ukraine poses with his belt after beating Thabiso Mchunu of South Africa to win the WBO Cruiserweight title at The Forum on December 17, 2016 in Inglewood, California.
