 Winitana made his debut for Canterbury-Bankstown against the Brisbane Broncos in round 14 of the NRL season on 15 June 2007 after first choice centre Willie Tonga was not selected for disciplinary reasons.Winitana made 22 appearances the following year in the 2008 NRL season and scored 10 tries as Canterbury finished last on the table.In 2011, Winitana signed with the Penrith Panthers but made no appearances for the first grade side.