It will come just four months after Fury, 35, was dropped by ex-UFC champion Francis Ngannou, 37, in his controversial points victory.

Fury’s dad John spoke out to say his son’s training camp is a “circus” and he fears it will carry on over to the Usyk unification.

And the worrying reveal has ex-cruiserweight champion Johnny Nelson urging the Gypsy King to pull it together.

Nelson told ProBoxingFans: “It’s time, you can’t do nothing about that.

“It might not be popular to say it but if his own pops is saying it, and one thing I will say about John Fury, is that he will always speak the truth.

“He’s a straight-talking man. If he’s saying it you have to listen to him. But Tyson Fury, if he puts his s*** together, he still beats everybody.

“His last performance, if he’s honest about what he said, then his legs are gone. If he wasn’t honest, I think he can turn it around.”

Fury’s crossover clash with Ngannou was meant to be a showcase of his skills but it turned out to almost be the mother of all upsets.

The damage sustained over the ten rounds in Riyadh forced the historic title unification with Usyk, 36, to be delayed till the new year.

And Nelson can see it being postponed further should John’s concerns be warranted.

He said: “If he doesn’t fight February 17 then we have a problem.

“Because if his dad’s saying it now, it gives you a sense there might be a delay, they might want more time.

“I wouldn’t be surprised if they wanted to push it down the line a bit.”

Johnny Nelson said Tyson Fury needs to get his ‘s*** together’Credit: Action Images – Reuters