Mike Tyson’s return to boxing may have moved a step closer as an Australian promoter offered him $1 million for a single fight against New Zealand rugby legend turned pugilist Sonny Bill Williams.

Tyson has been training hard under California-based MMA expert Rafael Cordeiro as he aims to get fighting-fit ahead of a potential series of charity fights.

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But Aussie promoter Brian Amatruda has made the first paid plea to Tyson and says the mooted bout against either New Zealander Williams, an ex-rugby union pro with an unbeaten boxing record, or former rugby league players Barry Hall and Paul Gallen would pull in a huge crowd.

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