FOXBOROUGH, Mass. -- New England Patriots running back Jonas Gray (ankle) and cornerback Alfonzo Dennard (hamstring) have been ruled out for Sunday’s game against the Buffalo Bills.

Gray missed Friday’s practice as he has been dealing with the ankle injury all week. He was a limited participant on Wednesday and Thursday.

Dennard was a new addition to the injury report on Friday.

The other new addition to the report is starting right tackle Sebastian Vollmer (back). Vollmer is listed as questionable for the game.

The Patriots also have 14 other players listed as questionable.

Long snapper Danny Aiken (finger), cornerbacks Kyle Arrington (hamstring) and Brandon Browner (groin), running backs LeGarrette Blount (shoulder) and Shane Vereen (ankle), linebackers Jamie Collins (hip), Dont'a Hightower (shoulder) and Chris White (ankle), starting left guard Dan Connolly (knee), wide receivers Julian Edelman (thigh/concussion) and Brandon LaFell (shoulder), rookie offensive lineman Cameron Fleming (ankle), and defensive ends Chandler Jones (hip) and Rob Ninkovich (heel) were all limited on Friday.

Quarterback Tom Brady (ankle) was a full participant all week and is probable.