DT Quinton Dial will miss his first game of the season after starting the first 15. He is dealing with a back issue. LB Michael Wilhoite will also miss Sunday's game against the St. Louis Rams. He has a high ankle sprain that he suffered against the Chicago Bears.
C Marcus Martin and S Jaquiski Tartt are listed as doubtful. Martin suffered a concussion against the Cincinnati Bengals.
Jimmie Ward will play safety for first time in NFL regular-season game. He'll take over for Jaquiski Tartt at #49ers strong safety.— Matt Maiocco (@MaioccoCSN) January 1, 2016
For the Rams, rookie RB Todd Gurley has been listed as doubtful with a foot injury. He has rushed for 1,106 yards and 10 touchdowns this season.
Below is the complete injury report released on Friday.
San Francisco 49ers
Out: DT Quinton Dial (back), LB Michael Wilhoite (ankle)
Doubtful: C Marcus Martin (concussion), S Jaquiski Tartt (knee)
Probable: DT Arik Armstead (shoulder, shin), LB Navorro Bowman (shoulder, finger), CB Tramaine Brock (hamstring), LB Ahmad Brooks (shoulder, back), T Trenton Brown (knee), LB Eli Harold (finger), CB Dontae Johnson (ankle), FB Bruce Miller (foot), T Erik Pears (knee), S Eric Reid (hip), WR Torrey Smith (back, foot), T Joe Staley (knee, illness)
St. Louis Rams
Doubtful: RB Todd Gurley (foot)
Questionable: T Andrew Donnal (knee)
Probable: S Mark Barron (concussion), DT Michael Brockers (thigh), DT Ethan Westbrooks (concussion)