CASTLEFORD are waiting to discover the extent of a knee injury sustained by leading tryscorer Nick Youngquest.
The 27-year-old Australian winger (pictured), who joined the Tigers on a two-year deal from Crusaders in the winter, took his try tally to eight in just seven matches with a brace in their 52-20 win over Salford on Sunday.
He has already missed one game with a quad injury and will undergo scans to discover the extent of his knee problem.
“We’re crossing our fingers because Nick has been a wonderful buy for us,” said Castleford coach Terry Matterson.
“He definitely won’t be playing this week and he could be a bit of a concern.”
The Tigers, top of the table after winning seven of their opening eight matches, will also be without another of their close-season signings, Willie Isa, for Friday’s trip to Harlequins.
The 22-year-old centre missed the win over Salford because of a one-match ban and his return will be delayed for another fortnight after he ruptured ankle ligaments in training.
“We will be tested a little bit,” said Matterson.