Buster Douglas believes that Tyson Fury can ‘no longer withstand powerful punches.

Douglas pulled off the greatest upset in the sport’s history when he famously knocked out Mike Tyson in Tokyo in 1990.

Douglas, speaking to Gambling Zone, fears Fury is unable to cope with powerful punches and claimed that he would lose in a potential showdown with Anthony Joshua.

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He said: “I speak to my trainer about today’s heavyweights and he has a low opinion of them and says they [Fury and AJ] wouldn’t have been in the top 30 in my era, I have to agree.

“They have skills, but as far as endurance, I don’t know.

“They don’t seem to be able to withstand power and aggressiveness.”

He then continued: “Right now I think AJ beats Fury.

“It’s not that Fury is on the decline, he just no longer has that strength to withstand that force.

“Once you start putting your punches together, he tends to get weak as the fight goes on and his power levels start faltering.

“It’s a strong possibility that AJ would knock Fury out, I think he would. He would definitely take Fury out.

“It would not go the distance, AJ would knock him out.

He does believe that Joshua has a chance of beating Oleksandr Usyk should they meet for a third time.

He added: “And AJ-Usyk is right now also a good one. I’d say AJ beats Fury and AJ Usyk is 50-50.

“AJ is looking like he’s on a mission and he’s finally got it together and he’s changed some things.”