Panthers linebacker David Mayo recently had sports hernia surgery, Joe Person of The Athletic reports.
Mayo has begun his rehab and is expected to make a full recovery.
Mayo, 25, is scheduled to become a free agent next month.
He has played in 59 of 64 games since the Panthers made him a fifth-round pick in 2015. Mayo has four career starts, including three last season.
Mayo has made 36 career tackles and two pass breakups.