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To say Mike Tyson has dramatically changed his physique over the last few months would be somewhat of an understatement.
The former undisputed heavyweight champion of the world is a far cry from the overweight and out-of-shape man we saw just a few years ago.
Tyson's dramatic transformation has in part been down to his preparations for his eagerly-anticipated return to the ring, which he last graced in 2005.
On Sunday week, 'The Baddest Man on the Planet' will take part in an exhibition match against fellow Hall-of-Famer Roy Jones Jr.
Mike Tyson is in tremendous shape ahead of his return to the ring
Tyson vs Jones Jr – a fight many wanted to see when the pair were in their primes – will take place in Carson, California in the early hours of Sunday morning.
Tyson isn't taking the former four-weight world champion lightly, training ferociously with legendary mixed martial arts coach Rafael Cordeiro.
And his sessions with the former Chute Boxe coach have left him with a physique most men in their twenties and thirties would be envious of.
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Recently released snaps of boxing's youngest heavyweight champion show him looking lean and mean ahead of his clash with Jones Jr.
The 54-year-old's previously chubby exterior – which was the byproduct of him not training for fear of reigniting his ego – is now a thing of the past and has been replaced by a muscle-bound frame.
Tyson's ego, however, was partly reignited when his wife – Lakiha Spencer – told him he'd piled on the pounds.
Mike Tyson has shed a tremendous amount of weight over the years, dropping several pounds for his showdown with Roy Jones jR
(Image: MIKE TYSON / INSTAGRAM)
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During an appearance on The Joe Rogan Experience Podcast, Tyson said: "I was discussing something with my wife about me being overweight
"So she said, ‘why don’t you get on the treadmill for 15 minutes a day’. I said, ‘ah, she said just 15 minutes’. It went from 15 minutes a day to two hours a day.
"I just started losing weight and then – somebody said, ‘Hey Mike, would you fight this guy for $30-$40 million bucks.'”
“I feel unstoppable now," Tyson recently said when asked how it felt to be untouchable when he was at the peak of his powers.
Mike Tyson will lock horns with former four-weight world champion Roy Jones Jr on Sunday weekened
(Image: BT SPORT)
“The gods of war have reawakened me. They’ve ignited my ego and want me to go to war again.”
Although Tyson vs Jones Jr will be an exhibition match, the proceeds of which will go to charity, the pair don't intend to pull any punches.
And if that's the case, fight fans should be in for a real treat, regardless of the legends being north of 50.