Oleksandr Usyk showed off his strength training in preparation to fight Tyson Fury

Usyk gave fans an inside look into his training for the bout, picking up a heavy medicine ball and slamming it, used to build power.

But some were not so convinced, as one said: “Hope he doesn’t go for the knockout route.

“Nobody is knocking out Tyson fury the man is a real life undertaker. Box and move.”

Another added: “He will be like a rabbit in the headlights when Fury is looking across the ring at him.”

The historic title unification was set for December but first Fury, 35, faced ex-UFC champion Francis Ngannou, 37, on October 28.

And he was astonishingly dropped by Ngannou and deemed fortunate to escape with a controversial points win.

It backdated the undisputed decider with Usyk, 36, who is looking to become a two-weight undisputed champion.

His manager Egis Klimas said: “Don’`t’ forget that as cruiserweight champion Oleksandr already held all four belts. Nobody believed that he could go so far in the heavyweight division.

“Nobody believed that he could come in and dominate the heavyweight division which is doing.

“I’ve been blessed to work with Oleksandr. Of course this means a lot to me. He’s a very good human being, he has no envy, he always smiles, is happy he enjoys greeting people.

“It is a pleasure to be with Oleksandr. This will be a great show. The biggest show!”

Tyson Fury facing off with Oleksandr UsykCredit: Getty