Collins (hamstring) was listed as a non-participant on Thursday's injury report.
Collins injured his hamstring at Wednesday's practice, and although he was listed as limited on Houston's first practice report of the week, he was tagged as a 'DNP' a day later. Collins is believed to be dealing with a Grade 1 strain and reportedly is not facing an extended absence, but his availability for Week 2 will likely hinge on whether or not he can get any work in at Friday's session.