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Usyk no longer undisputed champion after giving up IBF belt

Oleksandr Usyk celebrating with his four belts after his victory over Tydon Fury
Oleksandr Usyk became boxing's first four-belt undisputed heavyweight champion when he beat Tyson Fury last month. [Getty Images]

Just five weeks after becoming the first undisputed heavyweight boxing champion in nearly 25 years, Oleksandr Usyk has given up one of his belts.

Usyk beat Tyson Fury on a split decision on 18 May to add the WBC title to his WBA, WBO and IBF collection.

However the Ukrainian says he has vacated his IBF belt, which could now be up for grabs for the winner of the anticipated bout between Anthony Joshua and Daniel Dubois.

Dubois is the IBF's mandatory challenger and is expected to fight fellow Briton Joshua at Wembley Stadium on 21 September.

"Anthony and Daniel, I know the IBF title is important to you. It is my present to you on 21 September," Usyk said in a video message posted on X.

Ukrainian Usyk had requested his IBF belt not be stripped so the undisputed title can remain on the line when he fights Fury in their rematch on 21 December.

But the IBF, according to its rules, had to strip Usyk if he did not fight their mandatory challenger next.

Britain's Lennox Lewis was the last undisputed heavyweight champion prior to Usyk in 1999, though that was in the three-belt era before the WBO title was officially recognised in 2007.

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