New England Patriots quarterback Tom Brady with his son Benjamin Brady after a joint workout with the Tampa Bay Buccaneers at NFL football training camp, in Foxborough, Mass., Tuesday, Aug. 13, 2013. (AP Photo/Charles Krupa)
Cecil Shorts IV, 2, sports his father Jacksonville Jaguars’ Cecil Shorts III’s helmet during NFL football training camp Wednesday, July 31, 2013, in Jacksonville, Fla. (AP Photo/The Florida Times-Union, Bob Self)
CAMP PENDLETON, Calif. – The Dallas Cowboys watch Marines and role players take part in a demonstration at the Infantry Immersion Trainer, August 12. The Infantry Immersion Trainer is a hands-on, mixed reality training facility that simulates the sights, smells, sounds and feel of village, in designated locations. The purpose of the facility is to provide a realistic environment in which to train Marines for deployment.
Denver Broncos punter Britton Colquitt’s son, Nash, tries on Eric Decker’s cleats following the opening Denver Broncos training camp session, Thursday, July 25, 2013, in Englewood, Colo. (AP Photo/Jack Dempsey)