NFL filmmakers Steve Sabol (left) and Ed Sabol attend the 25th Annual Sports Emmy Awards April 19, 2004, in New York City. Ed Sabol will be inducted into the Pro Football Hall of Fame next week. Peter Kramer/Getty Images hide caption

itoggle caption Peter Kramer/Getty Images

About a week after the opening ceremony of the 1996 Summer Games in Atlanta, a bomb went off in Centennial Park. Two died and more than 100 were injured, but the games went on. Pedro Ugarte/AFP/Getty Images hide caption

itoggle caption Pedro Ugarte/AFP/Getty Images

NFLPA Executive Director DeMaurice Smith speaks with reporters outside the NFL Players Association headquarters in Washington, Monday, July 25, 2011, after the NFL Players Association executive board and 32 team reps voted unanimously Monday to approve the terms of a deal with owners to the end the 4½-month lockout. Cliff Owen/AP hide caption

itoggle caption Cliff Owen/AP

Jesse Owens stands on the podium after winning the gold medal in the 100-meter sprint at the 1936 Berlin Olympic Games. With him are bronze medalist Martinus Osendarp of Holland and silver medalist Ralph Metcalf, also of the U.S. Fox Photos/Getty Images hide caption

itoggle caption Fox Photos/Getty Images

Jesse Owens crosses the finish line in Berlin to win the 100-meter sprint, one of four events in which Owens won gold medals at the 1936 Olympics. Keystone/Getty Images hide caption

itoggle caption Keystone/Getty Images