Little kids at NFL training camps

Josh Thomas

Carolina Panthers' Josh Thomas, left, reaches out to hug his son, Dallas, 2, right, after an NFL football practice at their training camp in Spartanburg, S.C., Tuesday. (Chuck Burton/AP)

                                                                 DuJuan Harris

Green Bay Packers’ DuJuan Harris hugs a fan before NFL football training camp Monday, July 28, 2014, in Green Bay, Wis. (AP Photo/Morry Gash)

                                                                    Seattle Seahawks fans

Children wait as Seattle Seahawks quarterback Russell Wilson signs autographs after an NFL football camp practice Tuesday, in Renton, Wash. (Elaine Thompson/AP)

                                                                     Fred Jackson

Buffalo Bills running back Fred Jackson (22) holds his daughter, Maecen, as he tosses the ball to his son following a practice at their NFL football training camp in Pittsford, N.Y., Monday, July 21, 2014. (AP Photo/Bill Wippert)

                                                                              Ryan Mallett

New England Patriots quarterback Ryan Mallett plays with teammate Brandon Bolden's son Brycen, 3, following NFL football training camp in Foxborough, Mass., Saturday, July 26, 2014. (AP Photo)

                                                                 

                                                                       Ben Kotwica

Washington Redskins special teams coach Ben Kotwica signs an autograph for a fan as his daughter Arianna Kotwica, 2, holds onto his leg after practice at the team's NFL football training facility, Sunday, July 27, 2014, in Richmond, Va. (AP Photo/Alex Brandon)