IRVING, Texas -- The Dallas Cowboys welcomed two starters back to practice on Friday but three were either not practicing or heading toward limited participation in the session. Defensive end DeMarcus Ware (quadriceps) and safety J.J. Wilcox (knee) were not practicing and wide receiver Miles Austin (hamstring) did not run any routes during the part of practice that was open to the media. Austin was limited on Wednesday and Thursday. Cornerback Morris Claiborne, who missed Thursday’s practice with a migraine, and defensive tackle Nick Hayden, who did not practice Wednesday or Thursday with a sore back, were on the field during the portion of practice that was open to the media.