Carolina Panthers center Ryan Kalil (67) prepares to block after he hiked the football to quarterback Cam Newton (1) against the Miami Dolphins during the first half of an NFL preseason football game Saturday.
Carolina Panthers center Ryan Kalil (67) prepares to block after he hiked the football to quarterback Cam Newton (1) against the Miami Dolphins during the first half of an NFL preseason football game Saturday. Bob Leverone AP
Carolina Panthers center Ryan Kalil (67) prepares to block after he hiked the football to quarterback Cam Newton (1) against the Miami Dolphins during the first half of an NFL preseason football game Saturday. Bob Leverone AP

Carolina Panthers center Ryan Kalil done until opener with sprained knee

August 24, 2015 07:05 PM