Barlow to start Sunday; competition to continue with Gore

The San Francisco 49ers are preparing for their Week 17 contest against the Seattle Seahawks on Sunday at State Farm Stadium in Glendale, Arizona. Head coach Kyle Shanahan announced on Friday that linebacker Dre Greenlaw is among the players who are ruled "out" for Sunday. "Greenlaw had a calf strain," Shanahan said. "Complained of some calf tightness after practice yesterday. We got an MRI, saw it was strained, so he couldn't go." San Francisco will also be without rookie defensive tackle Javon Kinlaw, veteran corner K'Waun Williams, and several others. Tackle Trent Williams (elbow) and defensive end Jordan Willis (ankle) were placed