Joe Rogan has revealed his fears over a star fighter's wellbeing ahead of UFC 300.
The stacked UFC 300 is almost upon as Dana White has put together an insane night of fights.
UFC light-heavyweight champion Alex Pereira defends his title against former champion Jamahal Hill in the main-event.
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Pereira makes the first defence of his championship after winning the vacant title against Jiri Prochazka last November.
Hill, on the other hand, returns to action for the first time since January 2023 when he won the 205lbs belt.
He beat Glover Teixeira, who will be in Pereira's corner at UFC 300, before relinquishing the title after rupturing his Achilles tendon.
The 32-year-old insists he's recovered and in peak condition ahead of the biggest fight of his MMA career.
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Rogan, who has previously admitted he 'hates' one of the most anticipated fights at UFC 300, has concerns over the American's Achilles and claims it 'would suck' if he wasn't completely fit.
"God damn it would suck if he came in at 70 per cent and not 100," he said on his podcast.
"Because the thing is, there’s got to be a lot of pressure to be on UFC 300.
"And you might be like, ‘I can do it, I can do it.’ I don’t know, I’m hoping it’s 100 per cent."
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Rogan added: "I’m just hoping for sure they got him some stem cells.
"And I would imagine that he’s an elite UFC world championship calibre athlete [that he would’ve].
"I just don’t want Jamahal to be compromised in any way. It’s such a big fight."
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The UFC commentator, who will be calling the action at UFC 300, also believes Hill is still the UFC light-heavyweight champion.
"He’s the world champ, he just relinquished the title," he explained.
"He’s just fighting for his title essentially because he didn’t lose [it].
"I bet he only gave it up because Jiri gave it up. It’s kind of like a warrior’s code.
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"Those guys are warriors. That’s a warrior’s division."
Nasir Jabbar