Entrepreneur Glenn Wheatley is prepared to compete with overseas promoters to stage a $1 million showdown between Australia's two world super middleweight boxing champions Danny Green and Anthony Mundine.

Wheatley received approval from Green's trainer Jeff Fenech to stage what would arguably be the biggest fight in Australian boxing history.

Fenech returned from Canada a couple of hours before Green following his charge's sixth round stoppage of Canadian Eric Lucas in last weekend's World Boxing Council interim super middleweight title bout in Montreal.

Wheatley, who promoted Kosta Tszyu's last world title fight in Melbourne last January, indicated he was prepared to match a $1 million offer from Canadian promoters InterBox who staged the Green-Lucas showdown.

"I've got a mandate from Jeff (Fenech) to try and put this fight together," Wheatley said.

"My initial preference is for Sydney because it is a Sydney-centric fight.

"I discussed the possibility of this with Khoder Nasser (Mundine's manager) several months ago but the time is right now, especially if (WBC champion) Markus Beyer is thinking twice about getting back into the ring with Danny.

"This fight has got to be here in Australia."

Wheatley was still trying to contact Nasser this evening to formally put his offer to Mundine, the World Boxing Association super middleweight champion.

Fenech revealed international promoters and television networks were clamouring for Green's services in the aftermath of the win over Lucas.

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