Sir Robert Jones has quit as Joseph Parker's manager after clashing with promoters Duco Events over the suitability of the heavyweight boxing prodigy's opponents.

The representatives of Sonny Bill Williams and Frans Botha have reportedly agreed to a rematch in South Africa in December.

If the World Boxing Association's main man in Australia had his way, the Sonny Bill Williams-Francois Botha fight would be declared a no-contest.

The much-maligned manager of sporting heavyweights Sonny Bill Williams, Quade Cooper and Anthony Mundine is doing what he always does - getting the best result for his clients.

Francois Botha has confirmed he underwent a drug test before fighting Sonny Bill Williams but disputed its validity and offered to take another test to prove his innocence.

Sonny Bill Williams' next fight may not feature the 'pick the round' betting option, the TAB decided today.

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.

The TAB have refunded 'Pick the Round' bets placed on Sonny Bill Williams' controversial boxing win over Francois Botha in Brisbane.

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.

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.

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