Buffalo Bills CB Stephon Gilmore (concussion) and OT Cordy Glenn (back) have been ruled out for Week 17. LB Zach Brown (illness), LB Preston Brown (foot), OG John Miller (hip) and DT Kyle Williams (back) are listed as questionable. Zach Brown, Gilmore and Glenn did not participate in practice Friday, Dec. 30. Preston Brown, Miller and Williams were limited during practice. LB Jerry Hughes (hamstring), LB Lerentee McCray (concussion) and QB Tyrod Taylor (groin) fully participated in practice and are not on the injury report.