CHARLOTTE, N.C. -- Protecting quarterback Cam Newton has been a consistent theme for Carolina Panthers coach Ron Rivera since the offseason began.
It could be the theme of free agency.
The Panthers are looking to replace retired Pro Bowl center Ryan Kalil. Not only was Kalil a top performer on the field, he was one of the leaders in the locker room.
Future Hall of Fame defensive end Julius Peppers, who also retired, called Kalil "one of the greatest teammates I ever played with." Left guard Greg Van Roten said Kalil's presence was "invaluable.