Sonny Bill Williams hasn't even departed the NRL for Rugby Union yet - and he's already admitted he'd be open to returning to the 13-man code after his next stint in Union.
Williams leaves for the 15-man game at the end of this season, after winning both an NRL Grand Final and a World Club Challenge during his time with Sydney Roosters - as well SBW open to NRL return after RU stint
Sonny Bill Williams hasn't even departed the NRL for Rugby Union yet - and he's already admitted he'd be open to returning to the 13-man code after his next stint in Union.
Williams leaves for the 15-man game at the end of this season, after winning both an NRL Grand Final and a World Club Challenge during his time with Sydney Roosters - as well