
He started his career off by playing professional rugby league with the Canterbury Bulldogs in Australia then he left the Bulldogs to play rugby union with French club Toulon. In 2010 he signed with the New Zealand rugby union team called the All Blacks.
Sonny Bill had a new exciting career and tried boxing in 2009 and for an amazement he actully won Williams became Muslim after converting to Islamin. He is the first Muslim to represent the All Blacks, Cursaders and Barbarians.
Now Williams has carried on with his life now and is an amazing rugby star and is playing with the All Blacks.