Carolina Panthers tight end Greg Olsen, left, and center Ryan Kalil, right, talk as they walk to practice on Monday, August 3, 2015.
Carolina Panthers tight end Greg Olsen, left, and center Ryan Kalil, right, talk as they walk to practice on Monday, August 3, 2015. Jeff Siner jsiner@charlotteobserver.com
Carolina Panthers tight end Greg Olsen, left, and center Ryan Kalil, right, talk as they walk to practice on Monday, August 3, 2015. Jeff Siner jsiner@charlotteobserver.com