Canterbury foward Frank Pritchard will miss Saturday's round two match up with St George through suspension.
Pritchard was found guilty of a grade one careless high tackle at the NRL judiciary and given a one match ban following his high shot on Penrith's David Simmonds.
Simmonds had to be helped from the field and was later hospitalised after being collected in the head by Pritchard's shoulder.
Coach Des Hasler has yet to name Pritchard's replacement.
Castleford have come out on top of Super League in the annual Sport Social Media Index.
Hull Kingston Rovers have confirmed that experienced halfback Terry Campese has joined them pn a one-year deal ahead of the 2015 campaign.
Leigh Centurions have confirmed that Fiufui Moimoi has signed a one-year deal with the club, with the option of a second year.
The RFL have confirmed that there will be four rule changes at all levels of the professional game for the 2015 season.