An Australian boxing promoter has offered former world heavyweight champion Mike Tyson $1.75 million tala to take on Sonny Bill Williams or another footballer-turned-fighter.

Daily Mail Australia reported that Melbourne-based promoter Brian Amatruda got on the phone to try and arrange a bout after seeing a viral video of a Tyson sparring session.

“He might be 53 years old but he's still a huge name and any of those blokes [former AFL forward Barry] Hall, [former NRL forward Paul] Gallen or Sonny Bill would jump at the chance to get into the ring with him,” Amatruda said.

“It would be enormous. Not just a fight, it would be an event.”

Amatruda said he got in touch with agent Max Markson, who brought Tyson to Australia back in 2012.

“[Markson] gets on well with [Tyson] and his wife but the main thing is that he got him a visa to get into the country back then and that's the key,” the promoter said.

A 1992 rape conviction in the United States of America prevented Tyson from visiting New Zealand the week before he reached Australia in 2012.

“We'd have to wait until the coronavirus shutdowns are over of course so the fight probably wouldn't be until early next year - as long as we can get the visa,” Amatruda said. 

“They gave him one in 2012 and he was fine, he's a quiet family man now. He didn't cause any trouble then, so why shouldn't they let him back in?”

Potential immigration difficulties aside, even after the COVID-19 pandemic subsides and international flights resume, the bout looks like a long-shot given the 53-year-old Tyson hasn’t fought for 15 years.

The youngest world champion in boxing history has announced he is training for a return to participate in fights for charity, and claims he is in the best shape of his life.

Sonny Bill Williams, who is in the first season of a contract with Super League’s Toronto Wolfpack, last fought a professional bout in 2015, and for charity in 2018.