Fascinating snapshot of Rivera on the sideline.
http://www.nfl.com/videos/nfl-films-sound-efx/0ap2000000292736/Sound-FX-Ron-Rivera
BALL! BALL! BALL! GET THE BALL! GET THE BALL! GET THE BALL! WE GOT THE BALL! WE GOT THE BALL! WE GOT THE BALL! BALL'S OUT! It's out? It's out. CAN I CHALLENGE THIS? CAN I CHALLENGE THIS? I WANNA CHALLENGE THIS.