SANTA CLARA -- Seahawks running back Thomas Rawls, who rushed for 209 yards against the 49ers last year, is doubtful with a shin injury on Sunday.
Rawls is one of several key Seahawks who are nicked or injured entering the game. Tight end Nick Vannett and tackle Germain Ifedi both are dealing with ankle injuries and also are listed as doubtful. Receiver Tyler Lockett (knee) and running back C.J. Prosise (wrist) are questionable.
Quarterback Russell Wilson (ankle) and receiver Doug Baldwin (knee) are not listed on Seattle's report.
Rawls was substituting for injured Marshawn Lynch last year when he had his big game. He also scored a rushing touchdown and had three catches for 46 yards and a receiving touchdown. Lynch retired in the offseason.
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Christine Michael, who is averaging five yards a carry through two games, likely will start in Rawls' place.
For the 49ers, the only player ruled out is tackle Anthony Davis, who hasn't practiced since suffering a concussion in practice on Sept. 15. Davis is the backup right tackle, a job that will go to guard Zane Beadles if there's an injury on Sunday.
Safeties Jaquiski Tartt and Marcus Cromartie are listed as questionable with ankle injuries. They were limited in practice during the week.
Defensive lineman Arik Armstead (shoulder), linebacker Nick Bellore (knee), defensive lineman Quinton Dial (knee), defensive lineman Glenn Dorsey (knee), nose tackle Mike Purcell (ankle), cornerback Keith Reaser (ankle) and guard Andrew Tiller (ankle) were full participants Friday and are expected to play Sunday.