49ers sign quarterback Weinke
San Francisco 49ers12/12/2007 4:48 PM The Mercury News reports veteran QB Chris Weinke was signed today by the 49ers, filling the roster spot of QB Alex Smith, who was placed on injured reserve. Weinke, 35, adds depth to a quarterback corps that has been depleted by injuries. Backup Trent Dilfer, who started six games in place of Smith, suffered a concussion in Sunday's 27-7 loss to