Fury and Usyk were in line to fight for all four heavyweight belts at Wembley Stadium on April 29.
However, negotiations for the event were scrapped this week due to an issue over the rematch clause.
Usyk had initially accepted Fury’s demand of a 70/30 split but an agreement could not be reached after the Ukrainian requested that the same split in his favour was to be used for the rematch, providing he won the first fight at Wembley.
Fury, who began training earlier this month, is now left without an opponent, while Usyk is expected to hold talks to fight Daniel Dubois, his mandatory for the WBA heavyweight title who is still recovering from the ACL injury he suffered in December.
‘Usyk you little s***house, you proper little s***bag, bog-eyed, gappy-teeth, ugly little rat b******. You little slimy f*****,’ Fury said in a message to Usyk on Instagram.
‘Tried all week to get out of it, begging for a rematch like a little girl. You got your rematch then you didn’t even want to fight at that. You little s***house p****.
‘Always know, p****, that you were never man enough to tangle with the Gypsy King, ever in your life you little s***house.
‘You little 14-stone coward, you little s*** bag, you rat little b******, and your full team know it as well, and all the lawyers have got the full information, you little, ugly b*******.
‘Keep running. Fight Dubois at the Copper Box [Arena] now, s*** bag. And always know that you, or anybody else like you, could never tangle with the Gypsy King, you little s***house coward.’
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