Oleksandr Usyk vs Tyson Fury rematch could mean the IBF belt is stripped with Daniel Dubois to receive title shot

Oleksandr Usyk’s undisputed world heavyweight titles are set to fragment with Britain’s Daniel Dubois poised to fight for the vacant IBF belt.

The Ukrainian defeated Fury to unify the WBC, WBA, WBO and IBF heavyweight belts in Saudi Arabia on Saturday, but he will only reign supreme for a short spell as one of the sport’s governing bodies is likely to strip away a title.

Usyk is expected to face Fury again in an…