St Helens have prop Lami Tasi available after missing the last few games with a knee injury.
Jake Spedding keeps his place following his debut against Warrington, and youngsters Morgan Knowles and Jack Ashworth are also included.
Catalans, who won 40-0 at Hull KR last week, are without banned hooker Eloi Pelissier for two matches.
Captain Remi Casty, Todd Carney and Justin Horo replace Morgan Escare, Antoni Maria and Stan Robin.
Under-19s player Alrix Da Costa is likely to deputise for Pelissier in the hooker role.
St Helens (from): Turner, Walsh, Walmsley, Roby, Amor, Wilkin, McCarthy-Scarsbrook, Tasi, Richards, Savelio, Fages, Dawson, Owens, McDonnell, Ashworth, Knowles, Bailey, Spedding, Greenwood.
Catalans (from): Gigot, Broughton, Inu, Duport, Richards, Carney, Myler, Anderson, Casty, Stewart, Horo, Baitieri, Taylor, Bousquet, Mounis, Bosc, Elima, Mason, Da Costa.