The saying in heavyweight boxing is that ‘one punch can change everything.’ This came into fruition with brutal effect on Saturday evening at Matchroom Square Garden for the last instalment in Eddie’s Hearn’s four-week Fight Camp series.

Dillian Whyte was in absolute cruise control in the early part of the fight on Saturday evening and he had knocked down Alexander Povetkin twice in the fourth round.

It looked an inevitability that Whyte was going to go on from this point and deliver a knockout blow to beat the dangerous Russian heavyweight and send a message to rest of the division.

However, out of nowhere came this brutal left uppercut in the early stages of the fifth round which left Whyte on the canvas and his dreams of a WBC world heavyweight title shot in absolute tatters.

Looking closely at the slow-motion footage, it illustrates perfectly how brilliant the uppercut was and how crisply it landed on Whyte, straight on the chin which meant it was game over for the Brixton fighter.

Not many heavyweights, if any, would be getting up from a shot like that, so full credit must go to Povetkin for delivering such a brilliant knockout blow.

However, Whyte will no doubt be kicking himself at losing out on the opportunity to fight the winner of Tyson Fury vs Deontay Wilder.

After being made to wait over 1,000 days for his mandatory position to be validated by the WBC, Whyte may now be ruing the fact that he rolled the dice one too many times when it comes to taking fights in the interim.

He will now have to go back to the drawing board and work out how he can beat Povetkin in a rematch before hopefully finally getting a crack at the world title.

What this fight has shown, though, is that you underestimate Povetkin at your peril.

He has only ever been beaten by Wladimir Klitschko and Anthony Joshua in his career to date, and when he fought Joshua, he gave the British heavyweight a lot of problems before AJ rallied and knocked him out in the seventh round.

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After not a great deal to shout about since lockdown, the Fight Camp series has produced some decent fights, crowned by this upset.

Hopefully as we move into the autumn and winter months, we will see Whyte v Povetkin II, the trilogy fight between Fury and Wilder and Joshua v Kubrat Pulev as the heavyweight division starts to fall in place going into next year.