Defensive end Robert Quinn returned to practice on a limited basis Friday, participating in individual drills but no team activities. Barring a return of concussion symptoms, though, he said he expects to play Sunday against the 49ers. He said he had passed a baseline test and would see how he felt Saturday. “I think I'll run around and do a little bit and see how tomorrow goes,†Quinn said. “I should be good to go. I'm feeling fine, but you can't rush things. Just take it day by day.†Quinn reported concussion symptoms following the Rams' victory against the Cardinals but couldn't pinpoint a play that brought on the symptoms. “It was the after-effects that you really feel,†he said. “Hard head.†Source: St. Louis Post Dispatch