Anthony Joshua has been warned he will have “a total shake down his spine” when he fights Daniel Dubois.
AJ and Dubois are scheduled to face off for the IBF heavyweight title on September 21, with the winner getting a chance to face the winner of the rematch between Oleksandr Usyk and Tyson Fury.
Joshua, 34, has experience winning belts, having been a two-time world champion.
However, British heavyweight Johnny Fisher has warned him he will be in for a tough fight when he steps into the ring against 26-year-old Dubois – who is the current belt holder.
Fisher, 25, is “Dynamite’s” sparring partner and claims he has real strength.
while talking to Seconds Out“I’m definitely supporting Anthony Joshua, but not to the extent that people are expecting,” Fisher said.

“I believe it’s a 55/60 to 40/45 split in favour of Anthony Joshua.
“Dubois can hit hard, I’ve sparred with him a lot, his right hand can shake your whole body.
“I remember when I got a shock, it was like an electric shock went through my body.
“Dubois’ jab is also like a right hand.
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“Although I can’t speak about the fight with Anthony Joshua, I know Dubois is no joke and after great wins over Jarrell Miller and Filip Hrgovic, who have been the bogeymen for the last two/three years, to deal with him (is impressive).”
Dubois holds the belt after Usyk relinquished the IBF belt after agreeing to a rematch against Fury.
But earlier this week he revealed he wants a stoppage in the fight when facing his compatriot, and the Londoner believes victory would make him a “real” world champion.
he told Sky Sports“I’m the underdog because I have to prove myself and beat him and win this next fight, then I’ll be a real champion. I’m looking forward to moving forward. This is everything. It’s a big opportunity.”
Dubois can hit hard, I’ve practiced with him a lot, his right hand can shake your heart to pieces.
Johnny Fisher
“A win by any means necessary, but of course I want a stoppage, a good stoppage and a great win, that’s my goal.”
“I’m very confident, relaxed and happy and ready to do business. I’m just looking forward to getting going.”