But there are no material issues holding things up and the paperwork is expected to be signed at any time, a source said, with an official announcement of the bout coming as soon as Monday.
Anthony Joshua has moved one step closer to fighting Jarrell Miller after his promoter, Eddie Hearn, revealed that a deal has nearly been finalised. He regularly draws sold-out crowds, including a British-record 90,000 at Wembley Stadium in London for his electrifying 11th-round knockout of all-time great Wladimir Klitschko in the 2017 fight of the year.
'It could be Dillian on April 20, Joshua in NY.
But a rematch has fallen through, with Joshua's promoter Hearn revealing why. Joshua will be making a seventh consecutive world defence.
But Hearn had issues closing a deal with Whyte, and Joshua also came around to the idea of boxing in the United States.More news: Man dances his way through roadside sobriety test, charged with DUI
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And Hearn believes a fight with Miller at "The World's Most Famous Arena" will do wonders for Joshua's legacy.
It's also a fight that was put together at the last minute following the Wembley April 13th date getting scrapped all together by Joshua after fellow promotional stable boxer Dillian Whyte turned down three offers from him. Joshua was ringside and clearly enjoyed the electric atmosphere.
Joshua's appearance in the USA will be the second time in recent times a British heavyweight has crossed the water to compete in a world title fight. But with the fight taking place in the U.K., it was a late afternoon start in the United States.
It will be a busy period for boxing in NY with the prospect of the World Boxing Council heavyweight title rematch between champion Deontay Wilder and lineal champion Tyson Fury taking place there in April or May, in Brooklyn at the Barclays Center - though that is still to be confirmed - and Amir Khan set to face WBO welterweight champion Terence Crawford MSG on April 20.