Director Deon Taylor takes questions at a special screening of his new film, Supremacy, in Los Angeles. Eric Charbonneau/Le Studio Photography hide caption

itoggle caption Eric Charbonneau/Le Studio Photography

Football rules, uniforms, helmets and protective gear have changed a lot over the years. Keystone-France/Gamma-Keystone via Getty Images hide caption

itoggle caption Keystone-France/Gamma-Keystone via Getty Images

The defending champion and favorite remains the chicken wing. But underdog snacks like the carrot are trying to elbow their way into the competition. Leif Parsons for NPR; Source: whologwhy/Flickr hide caption

itoggle caption Leif Parsons for NPR; Source: whologwhy/Flickr

Friday, DeMarcus Cousins of the Sacramento Kings reminded sports journalist Clay Travis that his five-year guarantee — that Cousins would be arrested — had expired. Thearon W. Henderson/Getty Images hide caption

itoggle caption Thearon W. Henderson/Getty Images

Wendell Scott's son Frank Scott (left) and grandson Warrick Scott at StoryCorps in Danville, Va. Wendell Scott, who died in 1990, was one of the first African-American NASCAR drivers to win a race at the elite level. StoryCorps hide caption

itoggle caption StoryCorps

Bill Parcells has been coach to the Dallas Cowboys, the New York Giants, the New England Patriots and the New York Jets. Robert B. Stanton/Getty Images hide caption

itoggle caption Robert B. Stanton/Getty Images

There are more than 160 living Hall of Fame football players. The famous busts of the inductees line the walls in the Pro Football Hall of Fame in Canton, Ohio. JW Ogden/Flickr hide caption

itoggle caption JW Ogden/Flickr