SANTA CLARA – Defensive lineman Mike Purcell, who made the 49ers’ 53-man roster with an impressive exhibition season, got the surprise start on Sunday in place of first-round draft pick Arik Armst
SANTA CLARA – Kenneith Acker will be back in the starting lineup Sunday against the Arizona Cardinals after sitting out the second half in last week’s game.
SEATTLE – Glenn Dorsey’s potential season-ending knee injury opened the door
SANTA CLARA – Running back Carlos Hyde will remain in the Bay Area to receive treatment when the 49ers travel to Seattle for Sunday’s game.
SANTA CLARA – The 49ers returned from the bye week on Monday to begin preparations to face the Seattle Seahawks.