He's converted from a rugby league teen sensation into an All Black juggernaut, and along the way become a promising heavyweight boxer.
But Sonny Bill Williams has also made a spiritual conversion to Islam.
While rumours of the 25-year-old sporting superstar's religious beliefs have circulated for some time, the Herald on Sunday can reveal he made the leap of faith two years ago.
He has since become the first Muslim to wear the All Black jersey, and requested halal food during the Northern Hemisphere tour last year.
The Muslim holy month of Ramadan, when followers are forbidden from eating between dawn and sunset, falls in August this year - when the All Blacks play three Tri Nations matches. It is during the final build-up to the Rugby World Cup.