Gray (ankle) was limited in practice Thursday.
The second-string tight end missed Wednesday's practice due to an unspecified ankle injury but is now back on the field. His limited participation still leaves him questionable for Sunday's tilt with the Chargers, but a clearer picture will be painted once Friday's practice concludes. With starter Dion Sims looking to gain clearance from a concussion, the Dolphins are left with Dominique Jones and Thomas Duarte as the only truly healthy tight ends on their active roster.