Dak Prescott is the Dallas Cowboys backup quarterback after Kellen Moore was injured Tuesday. (Star-Telegram/Max Faulkner) McClatchy mfaulkner@star-telegram.com
Dak Prescott is the Dallas Cowboys backup quarterback after Kellen Moore was injured Tuesday. (Star-Telegram/Max Faulkner) McClatchy mfaulkner@star-telegram.com

JUST CHILL: Jerry Jones can’t hide his grin on QB Dak Prescott

August 22, 2016 08:59 AM