St Helens sign Australian half-back O'Sullivan

St Helens have signed Australian half-back Sean O Sullivan for the 2027 season, releasing him from the final year of his contract. The 28-year-old has previously played for six teams, including his hometown club Sydney Roosters and Canterbury-Bankstown Bulldogs. The move comes after St Helens missed out on a Super League play-off spot for the first time this season. O Sullivan expressed excitement about joining the club, praising their ambitions and the positive rapport he has developed with new head coach Kevin Walters.