Dallas Cowboys DE Ryan Davis (hamstring) did not participate in practice Wednesday, Oct. 26. RB Lance Dunbar (knee), OT Chaz Green (foot), DE David Irving (ankle), DE Demarcus Lawrence (back), CB Orlando Scandrick (hamstring) and OT Tyron Smith (back) were limited during practice. CB Morris Claiborne (concussion) and LB Kyle Wilber (neck) fully participated in practice.