Cardinals react after falling to 1-3 with loss to Rams.
Arizona Cardinals GM Steve Keim joined 'The Herd'.
Tyrann Mathieu changed Bruce Arians' mind.
Fitzgerald and Peterson on why this team is special.
Jay Glazer has the latest NFL injury updates for Week 16.
Tyrann Mathieu looks back on the challenges he has overcome.
The veteran defensive back offers his take on the skills of the talented youngsters in the Cardinals' secondary.