Reed remains in the league's concussion protocol as of Thursday, CSN Mid-Atlantic reports. "He's in the system right now, the protocol system," head coach Jay Gruden said. "It's symptom-related. Once he is relieved of his symptoms, then he can come back and participate. But until then, we can't see him."
NFL Network's Ian Rapoport indicates that while Luck (shoulder) is slated to throw pre-game, Matt Hasselbeck (illness) is expected to start at QB for the Colts in Thursday night's game against the Texans.