Las Vegas Raiders DE Arden Key (foot) did not participate in practice Friday, Oct. 30, and is listed as doubtful for Week 8. DT Maliek Collins (shoulder), DE Carl Nassib (toe) and OT Sam Young (knee) were limited during practice but are not on the injury report. S Dallin Leavitt (ankle), OT Kolton Miller (shoulder), CB Trayvon Mullen (forearm, shoulder) and CB Keisean Nixon (groin) fully participated in practice and are not on the injury report.