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,

Almost two years after knocking out Daniel Dubois, Oleksandr Usyk did it again to assert his reign as undisputed heavyweight boxing champion.

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.