The San Diego Chargers fear they have lost running back and kick returner Branden Oliver for the season after he injured his right Achilles tendon in the exhibition game against Minnesota on Sunday. The Chargers say they will make a final determination on his status after further examination on Monday. ''It is a bummer for someone who has come back, worked so hard and given so much to the organization,'' McCoy said after a 23-10 loss to the Vikings. More...