HULL KR will be sweating over the fitness of Dean Hadley after the forward limped off during his side’s 62-4 thrashing of Wigan Warriors.
Karl Lawton also suffered a rib injury during that game as Rovers look towards Wembley, whilst Jai Whitbread sustained a groin problem.
Willie Peters suggested all three were concerns for Saturday’s Challenge Cup final.
Meanwhile, neighbours Hull FC will be without Davy Litten for four to six weeks with a medial knee injury. The centre was withdrawn before Hull’s 42-6 thrashing by Leigh Leopards.
St Helens not only went down 30-10 to Castleford Tigers over the weekend, but they also lost Noah Stephens to a nasty-looking head injury.
Harry Robertson was also withdrawn before the game due to a quad injury.
Warrington Wolves suffered three problems before and during their 26-12 win over Bradford Bulls.
Prop Luke Yates is out for the season with a neck/shoulder problem whilst Sam Stone pulled his hamstring before the game. Josh Thewlis, meanwhile, hurt his neck.