Stroud completed 21 of 32 pass attempts for 250 yards, one touchdown and one interception while recording a pair of lost fumbles in Monday's 30-6 wild-card win over the Steelers.
Marks cleared concussion protocol and will re-enter Monday's wild-card game against the Steelers, Jonathan M. Alexander of the Houston Chronicle reports.
Mills (personal) is expected to be active as the backup to starting quarterback C.J. Stroud during Monday's wild-card matchup on the road against Pittsburgh, Ian Rapoport of NFL Network reports.
Chubb is set to serve as the Texans' RB2 behind Woody Marks for Monday's wild-card game against the Steelers after Jawhar Jordan (ankle) was ruled out.
Chubb wasn't listed on Thursday's injury report, while Aaron Wilson of KPRC 2 Houston reports that Jawhar Jordan (ankle) remained sidelined at practice Friday.
Collins, who was inactive for this past Sunday's regular-season finale against the Colts, isn't listed on the Texans' injury report ahead of Monday night's playoff opener against the Steelers.