Former boxing star George Groves is worried about Tyson Fury and thinks the 35-year-old 'may never fight again'.
Fury recently withdrew from his blockbuster bout with Oleksandr Usyk, with that fight now set to happen on May 18.
The showdown between the duo was pushed back because of a cut Fury sustained in training.
The Briton took to social media to show off gruesome images of the injury, silencing some of his critics in the process.
Boxing news: Tyson Fury is in the spotlight after his fight with Oleksandr Usyk was delayed for a second time
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Fury has outlined his desire to keep fighting, admitting he's eyeing two bouts with Usyk as well as future battles with Anthony Joshua and Francis Ngannou.
Yet Groves, speaking to IFL TV, fears fans may have seen the last of the Gypsy King.
“There are all these stories Fury’s had a terrible camp, he’s been dropped in camp, he’s past it, the Ngannou fight shows where he’s at," he said.
“Well, what if he’s had a great camp, he’s high flying, he’s going to show the world what he’s capable of and beat this Ukrainian guy to get the belts, then he gets cut.
“That’s going to be even harder to get over mentally and emotionally than having a stinker of a camp and trying to turn it rounding day, so we might never see Fury fight again, who knows.”
Should Fury or Usyk withdraw again, they'll face massive fines of around £10million.
But all signs still point to the fight taking place, despite Groves' comments.
There has been plenty of speculation surrounding Fury, with some conspiracy theorists questioning his injury.
And Irish world title challenger Spike O'Sullivan claims he'd heard alarming rumours about Fury's training camp before his battle with Usyk was delayed.
He told Betway: "There is a cut there but from what I’m hearing like everyone else, he wasn’t having a great camp.
"The biggest loser is Oleksandr Usyk and I’m sure Fury wasn’t up to scratch and from what I’m hearing in training camp he was getting dropped and maybe things weren’t going too well for him.
"I don’t know if the cut was on purpose or an accident.
"I wouldn’t like to think it was on purpose, it would be disappointing to hear but it's not the first time I have heard something like this and there are reports out there questioning it.
"He calls himself a fighting man so I hope it was a legitimate cut.
"I do believe the fight will happen though because the money is ridiculous.
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Boxing news: George Groves is worried about Tyson Fury and thinks the Gypsy King may never fight again
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"There’s a £10million deduction if somebody pulls out. I’m not sure how much they are getting paid but if there’s a £10m deduction then they must be getting paid a huge amount."
Fury has, however, shot down claims he could retire.
He insists he's in the 'prime of his life' at the age of 35 and seemingly remains hungry to achieve yet more success.
“I’m hearing talk of people saying that I should retire or I’m gonna retire soon, or whatever. I ain’t retiring anywhere," he said on Instagram.
Fury then added: “I’ve got two fights with Usyk, for the undisputed twice.
Boxing news: Tyson Fury insists he wants two fights with Oleksandr Usyk despite retirement talk
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"Then I’m gonna fight AJ at least once. Maybe twice if there’s a rematch, if he wants one after the first battering I give him.
"And then I’m gonna fight Ngannou again.
“And that’s just to start. So there’s five little fights for you to whet your appetite with.
"I ain’t going nowhere. Nowhere. I’m 35-year-old in the prime of my life.”