Jay Pitts is in line to make his Bulls debut on Sunday after being included in their 19-man squad for the visit of Catalan Dragons in the Tetley's Challenge Cup fifth round.
Pitts looks certain to feature but Hull FC team-mate Joe Arundel - who has also joined the club on loan for the rest of the season - is cup-tied.
Jamal Fakir is also set to feature against his former club, with Matt Diskin, Luke George, Jamie Foster and Adam Sidlow also coming back into contention.
Bulls' 19-man squad: Danny Addy, Sam Bates, Matt Diskin, Jamal Fakir, Jamie Foster, Luke Gale, Lee Gaskell, Luke George, Adam Henry, Elliot Kear, Brett Kearney, Adam O'Brien, Tom Olbison, Manase Manuokafoa, Alex Mellor, Adam Sidlow, Jay Pitts, Adrian Purtell, Chev Walker.
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