Frank Warren believes Tyson Fury was the "tougest fight" Oleksandr Usyk ever had and feels he will need to go beyond to deny the Briton a revenge victory in their rematch.
The two men meet at Riyadh Season's Reignited on December 21, live on DAZN Pay-Per-View, as the Ukrainian seeks to defend his slew of heavyweight championship titles.
- Read more | Oleksandr Usyk vs. Tyson Fury 2: Date, UK start time, fight card, how to watch heavyweight title rematch
Usyk, who remains unbeaten as a professional across multiple weight divisions, handed Fury his first career loss when the pair met in a bruising contest in May earlier this year.
Now, ahead of their second dance, Queensberry boss and Fury's promoter Warren has spoken on the damage Usyk suffered for victory, and what he must do to beat his man.
"I went to both the dressing rooms afterwards," he told Sky Sports News. "I was in Tyson's dressing room and obviously he was very disappointed, he felt he'd done enough to win.
"There was a lot of life in him and I went into the dressing room to congratulate Oleksandr and he knew he'd been in a tough fight. That's the toughest fight he's ever had.
"At the time they were worried he'd broken his jaw. His manager told me an implanted tooth was impacted into his gum. That was a gruelling fight for both of them."
"[Fury] knows what he's got to do. He knows better than me, you, anybody. He's been in the ring with him. He's seen the guy's strengths and weaknesses. They've shared that ring.
"I think Tyson's got to use his physical attributes, which are his height, his jab and he's got punch power, there's no doubt about that, so he's got to use those attributes."
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