Hillis (concussion) missed Thursday's practice, Art Stapleton of the Bergen Record reports. Hillis, who is currently embedded in the league's concussion protocol, was in fact sent home from Wednesday's practice as a result of the ailment. Due to the murky nature of head injuries, there's no telling when he'll ditch all symptoms, placing his Week 1 availability in doubt. Considering the current state of his health, the final injury report of the week could include a verdict on his upcoming playing status.