JARRELL MILLER had to be pulled apart from Daniel Dubois after weighing in over a whopping 23 STONE.
The pair of heavyweights feature on the stacked pay-per-view card in Saudi Arabia.
And Miller came in at 333lb (23st 11lb) compared to Dubois' 239lbs (17st).
There has been a fiery build up to the bout with Dubois drawn into a rare trash talk back and forth.
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But things got physical when Miller shoved the Brit - sparking a security to get between the pair.
The American loudmouth, 35, said: "Listen, walk him down, beat him up.
"He's got the brain the size of a shrimp. That's what we're going to try and do, fry the shrimp.
"We're going to glaze him, we're going to grill him, either way the shrimp's going to get cooked. Tune in."
Dubois, 26, roared back: "I'm ready to fight. I'll see him in the ring, I'm ready for it."
Miller, who infamously blew the chance to fight Anthony Joshua after a 2019 drugs bust, is now in his fourth comeback fight.
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Meanwhile Dubois has already been beaten twice in his young career, when he failed to beat the count against Joe Joyce and Oleksandr Usyk.
Promoter Frank Warren added: "Look, to me it's a really, really intriguing fight, it's a 50/50 fight on paper. I think he wins it, our man.
"But one things for sure you won't be able to take your eyes of it. He'll be hunting him down looking to throw those bombs.
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"Both of them need to prove a point the winner goes up, the loser where does he go? Everything's on the line."
