Dorsey was promoted to the starting lineup Sunday, recording six tackles (four solo) in a loss to the Bears.
The 49ers demoted Quinton Dial and promoted Dorsey to starting nose tackle. The veteran lineman had a good showing, clogging the middle of the line and racking up six tackles, which was good for second amongst all San Francisco defenders. Linemen in a 3-4 defense do not usually put up strong IDP performances, but Dorsey could be a cheap source of tackles given how often opposing offenses run the ball against the 49ers' porous unit.