ST HELENS head coach Eamon O’Carroll has made two changes to the 21-man squad that went ahead to beat Wakefield Trinity last Saturday.
Mark Percival returns from a hamstring injury whilst young forward Oscar Knox could make his St Helens debut.
Lewis Murphy and Alfie Tate are the Saints who step out of the squad, with the former suffering a leg injury in the win over Wakefield.
Castleford Tigers’ director of rugby, Chris Chester, has made four changes to the squad that went to Hull FC and won last Friday.
Jack Ashworth is out following his move to Leigh Leopards, whilst Krystian Mapapalangi, Daniel Sarbah and Tylor Sharpe also drop out.
Leigh trio Lazarus Vaalepu, Keanan Brand and Ben McNamara could all make their Castleford debuts following loan moves whilst Brock Greacen also returns.
SQUADS
Saints: 1 Jack Welsby, 3 Harry Robertson, 4 Mark Percival, 5 Deon Cross, 6 Tristan Sailor, 8 Alex Walmsley, 12 Shane Wright, 14 Jacob Host, 22 Joe Shorrocks, 25 Nene Macdonald, 26 Jacob Douglas, 28 Jake Davies, 30 Tom Humphreys, 31 Jackson Hastings, 34 Cole Marsh, 35 Daniel Suluka-Fifita, 37 Billy Keeley, 38 Matty Evans, 39 Chris Matagi, 41 Jack Campbell, Oscar Knox
Ins: 4 Mark Percival, Oscar Knox
Outs: 20 Lewis Murphy, Alfie Tate
Tigers: 5 Mikaele Ravalawa, 6 Daejarn Asi, 7 Tom Weaver, 8 Renouf Atoni, 9 Liam Hood, 10 George Lawler, 11 Jordan Lane, 12 Alex Mellor, 13 Joe Stimson, 14 Brock Greacen, 21 Louis Senior, 24 Jenson Windley, 25 Sam Hall, 27 Cain Robb, 32 George Hirst, 35 Phoenix Laulu-Togaga’e, 36 Tyler Dupree, 37 Jack Brown, Lazarus Vaalepu, Keanan Brand, Ben McNamara
Ins: 14 Brock Greacen, Lazarus Vaalepu, Keanan Brand, Ben McNamara
Outs: 15 Jack Ashworth, 23 Krystian Mapapalangi, 30 Daniel Sarbah, 40 Tylor Sharpe
Referee: Tom Grant
STATS
Last ten meetings:
Castleford 30, St Helens 10 (SLR12, 23/5/26)
Castleford 8, St Helens 32 (CCR4, 14/3/26)
St Helens 26, Castleford 24 (SLR27, 19/9/25)
St Helens 40, Castleford 0 (SLR20, 1/8/25)
Castleford 6, St Helens 46 (SLR2, 22/2/25)
St Helens 40, Castleford 4 (SLR26, 13/9/24)
St Helens 6, Castleford 8 (SLR16, 5/7/24)
Castleford 4, St Helens 60 (SLR11, 10/5/24)
Castleford 4, St Helens 34 (SLR23, 25/8/23)
St Helens 22, Castleford 0 (SLR17, 30/6/23)
Super League summary
St Helens won 56 (includes wins in 1999 and 2014 play-offs)
Castleford won 12 (includes win in 2017 play-offs)
1 draw
St Helens highest score: 72-4 (A, 2006) (also widest margin)
Castleford highest score: 36-22 (H, 2002) (Widest margin: 30-10, H, 2022; 30-10, H, 2026)
JOE STIMSON needs one appearance to reach 150 for his career.
– 35 for Castleford Tigers (2025-2026)
– 29 for Gold Coast Titans (2023-2024)
– 34 for Canterbury Bulldogs (2020-2022)
– 51 for Melbourne Storm (2017-2019)