Danny Green and Anthony Mundine have reportedly begun negotiations to clash for a $5-million purse at Sydney's Telstra Stadium.

Leading promoter Tony Caradonna has met with both camps and both fighters have been offered $2,5 million each for the megafight, the Daily Telegraph reported.

Green's manager Jeff Fenech said he was happy to offer Mundine first challenge if Green won the WBC title fight against Germany's Markus Beyer on March 13.

Speaking from Los Angeles, Fenech told the Telegraph he was excited Caradonna was making headway with the Mundine camp.

Fenech added he and Green were more than happy to give Mundine a 50 per cent of the gate to challenge for Green's crown even though a challenger normally received not more than 25 per cent of the total purse.

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