Sonny Bill Williams' opponent Francois Botha failed a drugs test before their controversial Friday night fight, it has been reported.

Gee whiz. The Sonny Bill Williams fight turned out to be a bit dodgy, like nobody knew that his boxing career was a crock of you know what in the first place.

It was the eighth round. An unidentified man loomed up next to Francois Botha's corner man, Hardy Mileham. The fight against Sonny Bill Williams was 10 rounds, not 12, he said.

David Tua's camp have challenged Sonny Bill Williams to a heavyweight title fight to "restore credibility" to the sport after the farcical finish to the Williams-Francois Botha bout in Brisbane on Friday night.

Sky television received dozens of complaints from viewers demanding refunds, angry that the fight finished two rounds earlier than expected.

It ended in farce but Sonny Bill Williams' win over grizzled heavyweight Francois Botha has some deadly serious repercussions for Williams and his camp.

Sonny Bill Williams proved his boxing credentials with a meritorious unanimous points decision over South African Francois Botha in Brisbane tonight.

Sonny Bill Williams will emerge victorious from tonight's stoush with the White Buffalo, writes Steve Deane. He can't lose.

Rival homes in on Wallaby's uncertainty as pair prepare for boxing clash in Brisbane

Boxing can be a chaotic affair and so it proved once again at the Brisbane Events Centre, the venue for tonight's fight between Sonny Bill Williams and Francois Botha.

The vogue for top sportsmen taking up boxing despite, in many cases, their physical unsuitability is a modern oddity, writes Bob Jones.

The wife of Muhammad Ali has responded to media reports the boxing legend is near death by posting a photo on Twitter.

Sonny Bill Williams has been labelled as 'stupid' by Francois Botha, his opponent for Friday's WBA International heavyweight title fight in Brisbane.

Sonny Bill Williams faces the possibility of legal action after he called judges in a recent boxing match "corrupt'' on Twitter, according to Australian reports.

Sonny Bill Williams has accused judges in Anthony Mundine's middleweight defeat to Daniel Geale as being corrupt following his close friend's unanimous points loss.

He has left for Sydney and the NRL but rugby remains firmly in the thoughts of Sonny Bill Williams.