Daley Williams (neck) is also doubtful but expected to pull through in time to face Ged Stokes’ side.
“By all accounts they had a really good effort against Leeds a couple of weeks ago so we’re expecting a tough game.
“They’ve been a top four team over the last few years so they’re certainly a benchmark for us to aim for.”
He added: “Keighley will probably be at their most difficult to play against at the start of the year.
“They will have prepared well for the season, but we go into the game confident that we can overcome whatever they throw at us and that’s the way we’ve got to look at it.”