Williams signed with the Cronulla Sharks in 2004. However he was charged with an assault on teammate Jeremy Smith, who was left with a fractured cheekbone, he was remanded in custody without bail for 4 months but then got bail in the Supreme Courts and later had the charges dropped with no conviction. .[2] Williams was released after just over three months due to good behavior and decided to take up boxing.
However Canberra Raiders general manager Don Furner offered him a contract and Williams ended up playing three seasons with the Raiders between 2005/06/07.[3]
Williams returned to Sydney from Queensland to focus on a boxing career.[5][6] His first professional fight was in 2010 when he lost to John Szigeti at the Gold Coast Convention Centre on 4 December.[7]
In 2011 Williams returned to New Zealand and joined the Te Atatu Roosters in the Auckland Rugby League competition before leaving the club and joining the Glenora Bears.[8] In June Williams appeared on the undercard of the Sonny Bill Williams' Clash for Canterbury. Williams defeated his opponent, Kris O'Neil, by knock-out in the second round.[7][9]