Usyk became the first undisputed heavyweight champion in 25 years when he beat Tyson Fury in May but has now given up his IBF belt
Oleksandr Usyk has vacated his IBF heavyweight title to allow Anthony Joshua and Daniel Dubois to fight for the crown at Wembley in September - just weeks after defeating Tyson Fury .
As a result, Dubois, who held the interim belt after thrashing Filip Hrgovic on the same bill as the Fury-Usyk clash, has now ascended to full world champion status. Announcing his decision to vacate the IBF belt, Uysk said in an Instagram post on Tuesday: "Anthony and Daniel listen, I know IBF title is important to you. It is my present to you on September 21.Joshua will hope to unseat Dubois in his first defence. However, it's been two years since the 34-year-old's last unsuccessful attempt to reclaim his unified world titles against Usyk.
Usyk is scheduled for a rematch against Fury merely days before Christmas. This complicates matters as he can't fulfil his mandatory IBF obligations to face off with Dubois.
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