The NFL’s “early negotiating window” period begins at noon on Monday. Players can begin to negotiate with other teams and the Carolina Panthers have more than a dozen internal free agents. They also have several needs.

The Carolina Panthers rightly understand how vital it is to address the porous run defense. They yielded almost 180 rush yards per game last year, the most by a wide margin. Only the New Orleans Saints (141.

The Carolina Panthers need help defensively and might have a few good options via the free agent market. As one of the NFL's worst pass rushing teams last year, Jadeveon Clowney needs another veteran presence in the foreseeable future to be another book end.