article: Saints have lost both games against the French side this season, 30-12 in front of their own fans in April and then 33-16 in June in the reverse fixture. Catalans forward Willie Mason was released from his contract this week as he was out for the rest of the season with an ankle injury. Half-back Lucas Albert replaces Thomas Bosc in their only change. St Helens (from): Lomax, Turner, Percival, Swift, Walsh, Walmsley, Roby, Amor, Vea, Wilkin, McCarthy-Scarsbrook, Tasi, Richards, Thompson, Peyroux, Greenwood, Owens, Fleming, Knowles. Catalans (from): Gigot, Broughton, Duport, Carney, Anderson, Aiton, Casty, Stewart, Horo, Baitieri, Taylor, Bousquet, Pelissier, Mounis, Elima, Yaha, Escare, Albert, Garcia.
summary: St Helens have named an unchanged 19-man squad from the one that secured a narrow victory at Warrington.