Oleksandr Usyk wasn't impressed with the technical skills of Tyson Fury and Deontay Wilder in their epic trilogy fight earlier this month.
Fury and Wilder put on one of the best heavyweight title fights in recent years, with Fury retaining his world title by 11th round stoppage in a fight which had five knockdowns.
Fury's win all but set up a future unification fight with Usyk after the Ukrainian snatched Anthony Joshua's four heavyweight titles last month.
Usyk will have to defend his belts in a rematch before focusing on a potential bout with Fury.
And whilst labelling a future fight with Fury as "very interesting", Usyk was less than impressed with the Brit's trilogy with Wilder.
He told Sportsmail : "I did watch the fight but I didn’t think much (of) it. They just wanted to kill each other."

Fury outlined his five-fight bucket list before facing Wilder, with domestic rivals such as Dillian Whyte and Joshua included among the names.
That list will surely have changed given Usyk was not part of the Brit's plans, but he now holds the titles Fury needs to unify his division.
And Usyk praised Fury's abilities when discussing a fight between them, but said there can only be one "king" of the heavyweights.
"Yes, of course, I do regard this fight a huge one. I see him as a very good fighter, good athlete, he talks a lot, he has a tongue," he told The Sun.
"He claims he’s the king of the kings, but it’s only he who thinks that. That’s what I can say about him.
"I can’t comment much on his style because every fighter has his own style according to his own abilities and his own tendencies.
"So, I think the main thing is his style brings him the victories. That’s the main thing. Some people like it, some people do not. But he is successful."
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Joshua has recently been touring the US following his loss to Usyk in search of a new trainer for their second fight.
He plans to follow Fury's tactics as the Brit partnered with S ugar Hill Steward for his second fight with Wilder having parted ways with his old coach Ben Davison.
And Usyk didn't have much to say about Joshua's hunt for a new coach.
"Of course I saw the videos because we are collecting all the information. But I don’t think anything about this because it’s Anthony’s business – let him do whatever he wants," he continued.
"Thank God I have everything (sorted) in my team – every member is in place so it’s all good."