Usyk regained undisputed status at heavyweight by beating Dubois again, and has now been ordered to face his WBO mandatory challenger

Oleksandr Usyk knocked out Daniel Dubois to reign as the undisputed heavyweight boxing champion. Round-by-round analysis.

The Ukrainian knocked out Daniel Dubois in the fifth round of their rematch on Saturday in front of 90,000 fans at Wembley Stadium in London to become a two-time undisputed heavyweight world champion.