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Joshua, 27, previously expressed his ambition to become the first ever billionaire boxer, and he may just do that.

The Bermondsey brawler netted £6.5 million when he knocked out Wladimir Klitschko at Wembley Stadium.

And Joshua is now thought to have amassed more than £15 million after series of amazing performances.

(Image: GETTY)

Promoter Eddie Hearn revealed that the Olympian could command a £50 million fee for every fight in the near future.

Despite his millions, Josh recently moved back into his Mum’s former council flat, as he looks to stay grounded before his rematch with Klitschko.

But the Brit could be forced to pack his bags for a lengthy training trip if the fight is staged in one of the preferred venues.

(Image: GETTY)

Hearn is eyeing many locations round the world, and named Nigeria as one of the likely destinations.

He said: “I think Nigeria is probably one of the frontrunners.

“People have this perception that Nigeria is a place that makes fire by rubbing twigs together.

“It’s a very powerful economy with a huge middle-class sector and actually it’s a country that has a number of major events already – particularly pop music concerts.”