Darian Stewart out with concussion

Rams S Darian Stewart has been ruled out for Sunday's matchup with the Niners because of a concussion. Stewart suffered the injury while failing to tackle Beanie Wells on his 53-yard run last week and said he's trying to "be safe and be smart." Craig Dahl is expected to start in Stewart's place but isn't too enticing for IDP purposes. The Niners have been among the league's stingiest teams in providing fantasy points to DBs. Stewart expects to take the concussion test Monday that will decide whether he's cleared to play.