Kyle Amor is set to return for St Helens on Thursday, while Castleford will welcome back Ben Roberts.
St Helens coach Justin Holbrook has made one change to his side that beat Widnes Vikings at Magic Weekend last week. Ireland prop Amor replaces Matty Lees.
Daryl Powell has made two changes to his Castleford team that beat Leeds Rhinos at St James’ Park on Sunday. Roberts and James Green come in for Joe Wardle and Jake Webster.
The Super League clash takes place at the Mend-A-Hose Jungle on Thursday, 7:45pm kick-off.
Saints 19-man squad: Lomax, Makinson, Morgan, Percival, Swift, Fages, Smith, Roby, Amor, Taia, Wilkin, McCarthy-Scarsbrook, Douglas, Knowles, Thompson, Peyroux, Richardson, Grace, Barba.
Tigers 19-man squad: Roberts, Minikin, Shenton, Ellis, Moors, McShane, Millington, Holmes, McMeeken, Milner, Massey, Sene-Lefao, Foster, Cook, Trueman, Green, Hitchcox, Gill, Watts.
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