Hodgson has failed to recover from a hamstring injury, which saw the fullback leave the field prematurely for Warrington against Leeds.
Shannon McDonnell will directly replace Hodgson, while Sia Soliola moves from the second row to the centres to replace Sa.
David Fa’alogo, who was originally brought into the squad as 18th man, will start at loose forward. while Trent Waterhouse will occupy Soliola’s original second row spot.
We take a look at how Castleford are hoping to build on last season's success...
York City Knights have announced a new-look Board of Directors that will enable the club to realise its ambitions in 2015 and beyond.