Dallas Cowboys LB Ryan Davis (hamstring) and OT Chaz Green (foot) did not practice Thursday, Oct. 27. RB Lance Dunbar (knee), DT David Irving (ankle), DE Demarcus Lawrence (back, shoulder), CB Orlando Scandrick (hamstring) and OT Tyron Smith (back) were limited participants, and CB Morris Claiborne (concussion) and LB Kyle Wilber (neck) were full participants.