The Facts: Tannehill on Friday practiced for the first time since sustaining his knee injury but will not play Sunday and said he's uncertain if he would be ready for a potential divisional playoff game Jan. 13 at New England.

Diehards Line: Tannehill took a few reps with the scout team and said it was “exciting to be back out there.” But asked if he could play in a week if the Dolphins win Sunday in Pittsburgh, he said: “I don’t know. I am doing everything I can to get out there as soon as possible, as soon as they clear me to go. Right now, it’s tough to say.” He also said he and doctors “don’t know” if he will need surgery. Nevertheless, he said progress clearly has been made in his recovery from partially torn ACL and MCL joints in his left knee. He sustained the injury Dec. 11 against Arizona. According to Herald staffer Barry Jackson, there is still some question as to whether Tannehill would risk more damage by playing and neither the QB nor HC Adam Gase would answer directly. ... Stay tuned. More after this weekend's game -- whether the Dolphins move on or not.