Tyson Fury has cemented his status as one of the greatest heavyweight boxers of all-time.

The Brit has had an illustrious career throughout which, he is yet to lose a single fight, having won 30 out of 31. 21 of his wins came via knockout.

Fury has reached his current level because of immense mental strength, something that he possessed from a very young age.

When he was only nine years, old, the Gypsy King came to class dressed as Rambo for World Book Day and told his teacher Jane Foddy that he wanted to become a champion boxer.

As quoted by The Mirror, she said: "He was just so determined and strong willed. He was determined to do everything as well as he could. 

"When he came into my class he told me ‘I want to be a world champion boxer’. Not just a boxer, but a world champion.

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"You think to yourself ‘that is somebody who knows what they want to do’. Some people want to be teachers or doctors or whatever.

"He was going to be a boxer. And not just a boxer, a world champion. It is an extraordinary story.”

Read more: Tyson Fury vs Deontay Wilder 3: Date, UK Start Time, Ring Walks, Card, Live Steam, Tickets, Betting, Venue, Location, Stats And Everything You Need To Know

Fury's immense determination and mental strength has made him arguably the best heavyweight boxer in the world at present.

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(Image courtesy: The Mirror)

He will fight Deontay Wilder tonight at the T-Mobile Arena in Paradise, Nevada. This is the third bout between the two with the first ending in a draw while the second one saw Fury winning.

The Gypsy King is the favourite to win the fight but Wilder should not be written off due to his quality and experience.

The Bronze Bomber has trained hard for the bout and looks in very fine shape, not to forget he will be determined to exact revenge for last year's defeat.