Sean O'Sullivan to join St Helens from Bulldogs in 2027
Zero Tackle NRL • 1 min read • Latest: Sep 25, 2026, 7:24 AM
Last updated Sep 25, 2026

Canterbury Bulldogs confirmed that halfback Sean O'Sullivan will leave for St Helens in the English Super League, effective in 2027. O'Sullivan, who has played for six NRL teams since his debut in 2018, expressed excitement about the move, citing coaching changes and the club's ambitions. St Helens is undergoing squad changes and has already announced new signings alongside O'Sullivan, including Solomona Faataape and Christian Tuipulotu. Pre-season preparations begin soon, with O'Sullivan set to join the team at that time.
- •O'Sullivan leaves Bulldogs to join St Helens in 2027.
- •He has played 66 first-grade games across six NRL teams.
- •O'Sullivan is excited about joining a club with ambitious plans.
- •St Helens is restructuring its squad before the new season.
- 7:24 AMZero Tackle NRL — Bulldogs confirm departure of Sean O’Sullivan
"A mixed year will see him change clubs in 2027.
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