WATCH: Sonny Bill Williams posts crack up as training montage for upcoming fight

Headlines 20/09/2018

It was announced earlier this week that Sonny Bill Williams would be swapping out his boots for boxing gloves again, when he makes his return to the ring for a charity event later this year.

SBW will square up against Stu Laundy in his next boxing venture on Saturday, December 1 in Sydney.

The charity fight night - billed as ‘The Banger under the Hanger’, a play on the Sydney Harbour Bridge’s ‘coathanger’ nickname - will also include a host of big-name sports stars and personalities.

And it looks as though SBW has already started his training, if today's Instagram post is anything to go by: