Anthony Mundine and Danny Green are reportedly set to earn at least $6 million each if they agree to a rematch in 2016.
In what would be the biggest purse in Australian boxing history, promoter and matchmaker Brian Amatruda is negotiating with both camps for the arch-rivals to meet in May 2016 at Etihad Stadium, according to News Corp.
"Everyone in the country will watch," Amatruda said.
"It's far too much money for both of these guys to knock it back.
"They could win three world titles and not earn what they could in this fight. It's a must event and I think we could get 40 to 50,000 at Etihad."
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If the pair were to meet in May next year, it would mark the 10-year anniversary of their first bout at Allianz Stadium in 2006 won by Mundine.
The expected crowd, combined with record pay-per-view sales in Perth and Sydney mean the fight could generate as much as $20 million.
The rivalry between the pair has raged on since their first bout.
Even after Mundine's defeat at the hands of American Charles Hatley on Wednesday night, Green took to social media to taunt the former rugby league star.
"Your gonna need your ex-girlfriend to keep you afloat Choc!," he posted on Facebook.
"Didn't see the fight but apparently u showed some figs. Bad luck Choc thats the game.
"I've been there. All respect to Hatley but he is not a puncher. Draining weight has its downfalls hey?"
The May 2016 fight would likely be fought at light heavyweight, which would require Green himself to drop 10 kilograms for the bout, while Mundine would have to gain around the same margin.
That alone has boxing greats worries, with Triple world champion Jeff Fenech earlier calling for a stop to the suggested fight.
"If the boxing authorities let Danny Green fight Anthony Mundine then boxing should be banned in Australia," Fenech told AAP on Thursday.
"Whatever authority, whether it be NSW or Victoria, let that fight go ahead, they should never be allowed to work again.
"If Anthony Mundine gets hit properly by Danny Green he could get very badly hurt."
