Philips didn't participate in Thursday's practice due to a shoulder injury, Turron Davenport of ESPN.com reports.
The rookie fifth-round pick out of UCLA is nursing the injury four days after he logged a team-high nine targets while recording six receptions for 66 yards in the Titans' season-opening loss to the Giants. The Titans will wait and see if Philips can upgrade his activity in practice over the next two days before deciding on his status for Monday's game in Buffalo.