https://www.saintsrlfc.com/2019/07/1...-friday-derby/
Roby and Smith in for Costello and Paulo (the latter is injured).
St.Helens 19 man squad
1. Jonny Lomax, 2. Tommy Makinson, 3. Kevin Naiqama, 4. Mark Percival, 5. Regan Grace, 6. Theo Fages, 8. Alex Walmsley, 9. James Roby, 10. Luke Thompson, 13. Louie McCarthy-Scarsbrook 15. Morgan Knowles, 16. Kyle Amor, 17. Dom Peyroux, 18. Adam Swift, 19. Matty Lees, 20. Jack Ashworth, 21. Aaron Smith, 22. James Bentley, 23. Lachlan Coote.