** FILE ** Miami Dolphins' coach Don Shula lets out with a roar as the gun sounds to give his Dolphins a 14-7 Super Bowl victory over the Washington Redskins in Los Angeles in this Jan. 14, 1973 file photo. Shula coached the 1972 Dolphins to a 17-0 record, still the only perfect season in NFL history. The New England Patriots can finish 19-0 if they beat the New York Giants in Super Bowl XLII on Sunday, Feb. 3, 2008, in Glendale, Ariz. (AP Photo/File)