Detroit Lions DE Ziggy Ansah (shoulder) and TE Michael Roberts (knee) did not practice Friday, Sept. 28 and they are ruled out for Week 4 against the Dallas Cowboys. LB Jarrad Davis (knee) and WR Golden Tate (hip) went through a limited practice and are listed as questionable, while OT Andrew Donnal (knee), OG T.J. Lang (back) and OL Frank Ragnow (knee) practiced in full and have been removed from the report.