Carl Froch has raised fears about Mike Tyson's lifestyle ahead of the 58-year-old's fight with Jake Paul later this year.
The two men are poised to do battle in Texas on November 15, despite the huge 31-year age gap between the two men.
Tyson has been working hard in the gym as he prepares for the clash, with the boxing icon showing he still possesses the power of old.
Many figures within the sport fear the worst, however, with Paul winning 10 of his 11 boxing bouts so far.
Boxing news: Carl Froch has raised fears about Mike Tyson's lifestyle ahead of the 58-year-old's fight with Jake Paul later this year
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Froch, speaking to GiveMeSport, has now admitted he's concerned about how much cannabis Tyson likes to smoke.
The heavyweight legend is a huge advocate for weed and the health benefits involved with the substance.
Froch, however, believes it could have a negative impact on Tyson as he prepares for his first fight since his draw with Roy Jones Jr back in 2020.
"He smokes a lot of weed, doesn't he?" said the Briton.
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"He's still burning weed. It's combustion, the way he inhales it, it's not good for you."
There have been accusations that the fight will be scripted, despite both Tyson and Paul insisting that isn't the case.
Froch isn't convinced - and believes Tyson shoving Paul at a recent press conference is proof that a game will be 'played'.
He stated: "Is it out of the question or is it ridiculous to think that Mike Tyson might think ‘I'll get paid an extra few quid and put a bit of a show on?’
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"He’s not going to have more than a round or two in him. So just play the game. Mike Tyson is going to play the game.
"You saw him playing the game at the press conference. He did that half-hearted shove when he was laughing and jumping around the stage all giddy.
"He kind of doesn’t know how to play the part. He's trying, but it just looked like a load of c**p to me."
Froch also expressed a belief that Tyson is well past his best.
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Boxing news: Mike Tyson shoved and punched Jake Paul at a recent press conference
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His boxing career ended with two defeats, with his last loss against Kevin McBride in 2005.
And Froch thinks Tyson is simply too old to be fighting at his age - especially given how Paul is only 27.
"I don't think it should be happening because Mike Tyson's an old man," he said.
"With utmost respect, he's 58. I'm too old to box and I'm 47. He's 58. And Mike Tyson was well past his best in his early 40s.
Boxing news: Mike Tyson is adamant he's ready to take on Jake Paul despite the huge age gap between the two men
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"Mike Tyson was losing to people that weren’t fit to lace his boots. That's my point, and that was about 20 years ago.
"So what's it going to be like now 20 years later against the 26-year-old 'Fake Paul'?"