They're due to hit the ring for a charity boxing match on December one.
And it seems the showdown between Stu Laundy, 45, and Sonny Bill Williams, 33, is in jeopardy, thanks to being dubbed 'unsafe' by government officials.
Opposition sports spokeswoman Linda Voltz told The Daily Telegraph on Friday that to put a reality TV star against a former professional boxer is risky and unfair.
Will it be cancelled? The boxing match between Bachelorette star Stu Laundy (L) and footy star Sonny Bill Williams (R) is slammed by government officials as being 'unsafe'... because the sports buff has competed professionally
She added that it is law for professionals to only compete in professional fights.
'While Stuart Laundy might work out at the gym, there is nothing in his CV that suggest he should be stepping into the ring,' Linda told the publication.
She added: 'Sonny Bill Williams on the other hand is an elite athlete, a ferocious and talented rugby player and former professional heavyweight boxer of New Zealand.'
Tough competitor: 'Sonny Bill Williams on the other hand