Oleksandr Usyk disagreed with the idea that he’s become one of boxing’s all-time greats, but the evidence is mounting after his fifth-round knockout of Daniel Dubois at Wembley Stadium on Saturday.

LONDON -- Oleksandr Usyk knocked out Daniel Dubois in the fifth round and became the undisputed world heavyweight champion for a second time on Saturday. The undefeated southpaw retained his WBA, WBC and WBO belts and regained the IBF belt he relinquished just over a year ago.

The undefeated Ukranian southpaw retained his WBA, WBC, and WBO belts, and regained the IBF belt he relinquished just over a year ago.