JAMES Roby and Danny Richardson drop out of Saints' 19-man squad for the Super League Round 15 clash against Salford Red Devils on Friday (kick off 7:45pm).

James Bentley and Jack Welsby come in with Aaron Smith stepping in as starting hooker.

St Helens 19 man squad: 1. Jonny Lomax, 2. Tommy Makinson, 3. Kevin Naiqama, 5. Regan Grace, 6. Theo Fages, 8. Alex Walmsley, 11. Zeb Taia, 12. Joseph Paulo, 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 24. Matty Costello, 29. Jack Welsby.

Read: Holbrook's thoughts on Salford's key threat>

Salford bring in on loan big man Pauli Pauli, who has joined in a swap with centre Junior Sau.

Salford 19 man squad:Niall Evalds, Kris Welham, Rob Lui, Lee Mossop, Gil Dudson, Josh Jones, George Griffin, Joey Lussick, Adam Walker, Greg Burke, Tyrone McCarthy, Ben Nakubuwai, Logan Tomkins, Dan Murray, Derrell Olpherts, Ken Sio, Krisnan Inu, Pauli Pauli, Jackson Hastings.