Dillian Whyte and Oscar Rivas went nose to nose and were pulled apart by security at their weigh-in, lighting the fuse to their heavyweight fight.
Whyte was 115.2kg and Rivas was 108.4kg – both contenders were in prime condition during their final face-off before Sunday morning’s fight.
Both men then refused to concede any ground and shoved their foreheads together in an intense show of force.
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They were yanked apart but Whyte and Rivas maintained eye contact, 24 hours out from the first punch being thrown.
Whyte’s weigh-in result had initially been announced as 117.4kg but he confirmed to Sky Sports that was an error, and he was actually five pounds lighter.
But he was still over a stone heavier than his unbeaten opponent Rivas, to add to a height advantage of three inches and a reach advantage of one inch.
Whyte was marginally heavier than before his previous fight, against Derek Chisora, when he weighed-in at 111.6kg but he had told Sky Sports this week of his plan to arrive around the 18st mark.
Whyte and Rivas will contest the WBC interim belt and the status of mandatory challenger to the title currently held by Deontay Wilder.
“I will come to entertain tomorrow night, to put on the best show and bring pain. It’s going to be an all-out war,” Whyte angrily said afterwards.