They may have lingering stuff that needs treatment but not unable to play, two games left anyone not able to make it to those games is going to be IRed I would think, they are on roster so I feel they can participate.
Secondly this is a chess match to misdirect as well, who's playing and who's not, creates doubt in who to prepare for as well.
McVay may plan to stack on the left side if we have no Tackles that are familiar there, changing it up when they see Cross there wastes downs that we can take advantage of.