Even if he is too old, which I think he is, he's in a good place mentally and that's a unsafe fighter. But then I try and flip it.
Joshua is unbeaten in his 18 fights so far but Wladimir represents comfortably the biggest test of his career. If you didn't see the Wladimir Klitschko version yesterday - you can check it out here.
Anthony Joshua has blazed a trail in the heavyweight division but for now the only flames around the IBF champion are on the recovery table. I was always saying health and motivation is very important.
"There is nothing wrong with wanting to be a billionaire - if you have kids you would advise them to set goals high, there's nothing wrong with aiming high", Joshua argued. He enters this Saturday's contest as the betting underdog against the 2012 Olympic gold medalist, but you most certainly can't count him out of this matchup.
It really is anyone's guess how this fight will go.
Which way do you think the fight will go?
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"Everything, his future depends on him, and that's why if Joshua loses the fight, he has a lot of space, because of his age".
"The hardest thing is putting it behind you but it's the best feeling once you do get over it". Honestly, Joshua does not have a great inside game. I've never seen Joshua dominate anyone from the inside. The only thing that makes Joshua unsafe on the inside is getting caught with one of his elbows or bumped hard and knocked off balance in a football move.
"To get two of them, that's mind blowing", he said. Those elbows are unsafe. If Wladimir hits Joshua with one of his powerful left hooks, it could be game over for him.
Klitschko is just as tall and rangy and unlike many of Joshua's opponents will not be intimidated.
The heavyweight clash between the old guard and the new is one of the year's most anticipated, and comes hot on the heels of another big fight that had everyone talking: David Haye v Tony Bellew.
However, his mother Yeta won't be among the 90 000 boxing fans at Wembley Stadium or the millions watching on television around the world, not least from her home country of Nigeria.