Sione Havili Talitui joined the Crusaders loose forward stocks in 2020 as a powerful ball carrier and defender.
He represented New Zealand Secondary Schools' in 2016, winning the Golden Boot as NZ's best player. Sione played for Auckland in 2017 and helped the Auckland Under 19 side to the Graham Mourie Cup (Premiership title) in the Jock Hobbs Memorial National Under 19 tournament. For his efforts, Sione was awarded player of the tournament.
He made one appearance for the Blues in Super Rugby during their 2018 match against the Rebels and was part of the Tasman Mako side that won back-to-back titles in the 2019 and 2020 seasons.