Usyk stops Witherspoon after 7
Credit: Ed Mulholland/Matchroom Boxing USA Former undisputed cruiserweight champion Oleksandr Usyk moved up to heavyweight with a stoppage over Chazz Witherspoon after round seven of their scheduled 12-round bout at the Wintrust Arena in Chicago. Usyk dominated the bout with quick combinations that tired out Witherspoon, who took the bout on five days notice. Witherspoon …