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.
The RFL are to reveal the reasons they overturned the points deductions handed to Batley and Doncaster for fielding ineligible players on Wednesday.
The form of Catalan Dragons in the play-offs this year has been something to gladden the hearts of those rugby league people who want to see the game flourish.
Keighley have given an update regarding their legal challenge of the RFL, following their controversial relegation from the Championship.
Former London Broncos head coach Rob Powell has returned to the club as Head of Youth.