Plot: In this first of a series of videos celebrating the NFL's first 75 years, the focus is all on plays. With categories like Greatest Catches, Greatest Throws, Greatest Tackles, Greatest Returns, Greatest Interceptions, and the Greatest Moment, the die-hard football fan won't miss a single moment of NFL greatness, which includes such all-time leading playmakers as Frank Gifford, John Elway, John Unitas, and Gale Sayers