Coach Mark Aston has also to find replacements for forwards Mitch Stringer and Sam Barlow, who both start two-match bans following incident in Carnegie Challenge Cup fourth round game against Wigan Warriors.
Aston said: “Whitehaven are never an easy team to play. We have to work hard, and the bounce of the ball will start going your way and the wins will come along.”
Whitehaven coach Ged Stokes said: “Sheffield have copped it, like we have. We’ve struck all the top teams first up, but they are a very capable side.
“I’d imagine that they’d be disappointed so far and both teams are desperately looking for a good