Anthony Joshua's stock may have fallen in recent years, but he still has the power to knockout anyone in the heavyweight division.
And he showed that as footage emerged of him hitting pads with trainer Ben Davison, with the thud of each punch echoing through the room.
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This is in preparation for Joshua's December 23 clash against Otto Wallin in Saudi Arabia.
This fight will happen on the same card as Deontay Wilder vs Joseph Parker with the plan being that AJ and 'The Bronze Bomber' fight next year.
And for this bout, Davison will be in Joshua's corner, although it is expected that after this dust-up AJ will return to working with Derrick James.
The American, who also trains Errol Spence and Jermell Charlo, has guided him through his two most recent clashes against Jermaine Franklin and Robert Helenius.
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Davison is also a former trainer of Tyson Fury, with his last fight in 'The Gypsy King's' corner also coming against Wallin.
In that fight, Fury struggled as he was badly cut, but made it through to win by unanimous decision and afterwards he parted ways with Davison.
When asked about Joshua and Davison working together, Fury reacted saying: "That's a good match-up.
"It's a very good move. I think it's good for AJ because he's local. I think it's a good move."
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Davison also has experience training former two-weight world champion Billy Joe Saunders as well as Leigh Wood who recently vacated the WBA featherweight world title.
Joshua's promoter Eddie Hearn has been quick to praise Davison in an interview with Boxing Social.
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He remarked: "AJ is with Derrick James, 100 per cent. But Ben is a fantastic coach, and I think that has the kind of mind that AJ would tick with.
“AJ is the kind of guy who doesn’t like to be out of camp for too long, and there is a chance he fights in December.
"So if that’s the case, he wanted these couple of weeks just to sharpen his tools before he heads into camp in Dallas with Derrick.”