Stats over the last 6 encounters
Castleford Tigers have Ben Roberts back from a four-match absence with a calf injury and he is set to go to full-back, which allows skipper Michael Shenton to revert to centre in the absence of Jake Webster. Prop James Green is also recalled to the 19-man squad in the absence of Joe Wardle.
St Helens see prop Kyle Amor return following a one-match ban, taking the place of Matty Lees in the only change to the team that beat Widnes Vikings in Newcastle.
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