Injury to Dorsey casts doubt on 49ers' D-Line status

Daily 49ers blog for NBC Bay Area website: Glenn Dorsey, who'd been playing great at nose tackle, had to leave the Cardinals game with a hamstring injury. If he can't come back, the team's depth at the position will be severely tested. http://www.nbcbayarea.com/news/sports/Injury-to-Dorsey-Could-be-Crucial-Loss-for-49ers-227673611.html