ANTHONY JOSHUA and Wladimir Klitschko's Wembley showdown promises to be a blockbuster.

And here's how a host of boxing legends reckon the fight will go...

11 Anthony Joshua and Wladimir Klitschko ahead of their Wembley showdown Credit: EPA

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LENNOX LEWIS - Former undisputed world heavyweight champion

We have seen a lot of Anthony Joshua's fights and he has knocked out everybody, so what has he learned? Where is the experience there?

Wladimir Klitschko is almost up to 70 fights so you have the experience and the old, against the new and the strong.

Can Wladimir's body take any more? I will take experience but only slightly.

Klitschko

11 Heavyweight legend Lennox Lewis had his say at the weigh-in Credit: AP:Associated Press

DEONTAY WILDER - WBC world heavyweight champion

My heart is for Joshua but my mind is always Klitschko.

No-one can count him out and I don’t think Joshua has the training or experience for Klitschko.

When you’re fighting a certain calibre of fighter and then you move all the way up to the guy who at one point was the ruler of the division, it is a big leap.

Klitschko

11 Deontay Wilder was torn on who will win on Saturday night Credit: AP:Associated Press

TYSON FURY - Former world heavyweight champion

Klitschko to KO Joshua. Just my opinion!

Klitschko

11 Tyson Fury looks a bloated waste of talent at present... Credit: Getty Images

11 But Manchester fighter Fury knows all about beating Klitschko Credit: AP:Associated Press

DAVID HAYE - Two-weight world champion

It will not go the distance and we could even see Klitschko disqualified for holding.

I hope Joshua lets his hands go and pressure the action even when Klitschko grabs and holds.

Hopefully it’s a strong, neutral and fair referee who is prepared to deduct points because the last thing we want to see is a Klitschko disqualification for holding.

Joshua is too young and too fresh.

Joshua

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11 Haye pictured after Achilles surgery at an awards ceremony on Thursday Credit: Rex Features

AUDLEY HARRISON - Olympic heavyweight gold medallist

For Klitschko to win Joshua will either have to run out of steam or make a big mistake at a crucial period so that Wladimir can capitalise.

Joshua has done everything right so far but this is his first step up to a new uncharted level.

Wladimir’s experience makes him favourite yet I still believe Joshua can upset the apple cart.

Joshua

11 Audley Harrison is a fellow Olympic champion like Joshua Credit: Getty Images

EVANDER HOLYFIELD - Undisputed cruiserweight and heavyweight world champion

Joshua is one of the heavyweights who is a complete fighter, he can box and he had a great amateur career.

Klitschko should be able to out manoeuvre him because of his skill of mind but if Joshua doesn’t give him a chance to do that, what is going to happen?

Klitschko

11 Evander Holyfield is going for experience over youth at Wembley Credit: Getty Images - FilmMagic

CARL FROCH - Former world supermiddleweight champion

Klitschko is an ageing fighter but with age comes wisdom and experience.

Wlad was unbeaten in 10 years until he faced Tyson Fury and that was an awkward, torrid night for him. We may just see the best - and last - of Wladimir Klitschko.

Klitschko

11 Carl Froch reckons the Ukrainian may stil have the edge over Joshua Credit: Splash News

GEORGE FOREMAN Oldest-ever world heavyweight champion

If I were a gambler, I’d see Joshua as a 6-5 favourite. So I’d put him just in front.

But Klitschko knows how to win and how to use his body size, It will be a difficult fight for both.

If Klitschko wins again... Oh my God... can you imagine that?

Joshua

11 George Foreman fought until 48 but is going for the younger Joshua Credit: News Group Newspapers Ltd

DUKE McKENZIE - Three-weight world champion

Joshua is the future of the sport while Klitschko has had his day - boxing is a young man’s sport.

I expect Josh to win handily inside the distance but even if it goes to points there is only one winner - AJ.

Joshua

VERDICT: Klitschko 5 Joshua 4