Oleksandr Usyk, the 38-year-old Ukrainian, reigns as the undisputed, undefeated heavyweight world champion yet again. Usyk beat 27-year-old Daniel Dubois by fifth-round TKO in their rematch,

Oleksandr Usyk once again became the undisputed heavyweight champion of the world with a fifth-round knockout win over Daniel Dubois at Wembley Stadium in London, England.

Oleksandr Usyk cemented his status as the outstanding heavyweight of his generation with an emphatic fifth-round knockout of Daniel Dubois in their undisputed world title bout at London's Wembley Stadium on Saturday.