On his official Instagram page, Fury expressed disappointment in the postponement due to the cut he sustained while sparring.
“I can confirm they will fight each other in Saudi Arabia,” Mr Arum said.
But Fury bounced back into the fight, out-punching Ngannou to victory in a 10-round bout.
Oleksandr Usyk’s mandatory commitments with IBF challenger Filip Hrgovic will have no bearing on a bout against Britain’s Tyson Fury to unify the world heavyweight titles.
AJ’s management said they are waiting for a response from Tyson Fury’s camp.