Both Shad Royston and Paul Sykes have been recalled to the Bulls' 19-man squad for Saturday's clash with Catalan Dragons.

The pair have been drafted in to replace Jamie Langley and Ian Sibbit, who miss out through injuries sustained during last week's win against Leeds.

Langley will be sidelined for at least two weeks with an ankle problem and Sibbit could sit out up to five weeks after breaking his thumb.

Bulls' 19-man squad: Danny Addy, Patrick Ah Van, Tom Burgess, Jason Crookes, Matt Diskin, James Donaldson, Olivier Elima, Ben Jeffries, Bryn Hargreaves, Marc Herbert, Brett Kearney, Craig Kopczak, Andy Lynch, Michael Platt, Gareth Raynor, Shad Royston, Nick Scruton, Paul Sykes, Elliott Whitehead.