The 49ers have deemed S Jaquiski Tartt (groin) and LB Kwon Alexander (ankle) doubtful for Sunday's game against the Seahawks. That should keep S Marcell Harris and LB Dre Greenlaw in full-time roles and in play for IDP lineups. S Jimmie Ward (quad) is questionable after missing last week's game. If Ward can't go, then Tarvarius Moore would get another start. We'll check his status Sunday.