Despite losing by unanimous decision in April, Benn was quick to push for the rematch, which Hearn feels is a sign of his growing confidence.
“I think he took this fight because he believes he can win it this time,” Hearn said.
“He was too small last time, physically, but he still made it a 50/50 with his tenacity and ability.
“The long-term [goal] for Conor Benn is to win a welterweight world title but that can wait.”
The first fight was high on drama – from Benn’s failed doping tests to egg-slaps, last-minute fines and a surprise appearance from Chris Eubank Sr on fight night.
Hearn believes the sequel could be even bigger if the fighters’ legendary fathers, Nigel Benn and Eubank Sr, are involved from the start.
“This time the difference may be Eubank Sr is part of the promotion,” Hearn said. “That hour before the first fight will never be matched. The fight itself will be matched. I think it will be the 13th round back again.”
The rematch announcement came as a surprise after Turki Alalshikh, chairman of Saudi Arabia’s General Entertainment Authority, confirmed the bout on social media.
“The announcement caught everyone by surprise, including Eubank. Turki announced the fight without telling anyone. Team Eubank reached out to me right after the announcement [a bit confused],” Hearn said.
Eubank has yet to publicly comment on the bout and he and his team have not responded to a request for comment from BBC Sport, but Hearn is confident the fight will go ahead.
“The only reason fights don’t happen is because of the money,” Hearn said. “The money is set and the money is massive. No-one loves money more than Eubank. It will happen.”
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