The Broncos, led by Morton and the Orange Crush Defense, made their first-ever postseason appearance after a franchise-best 12–2 regular season record. Led by Staubach and the Doomsday Defense, Dallas advanced to its fourth Super Bowl after posting a 12–2 record in the regular season and home playoff victories over the Chicago Bears and Minnesota Vikings.

The game pitted Cowboys quarterback Roger Staubach against their former quarterback, Craig Morton. This was the first Super Bowl in a domed stadium, and the first time that the game was played in prime time in the Eastern United States. The game was played on January 15, 1978, at the Louisiana Superdome in New Orleans. The Cowboys defeated the Broncos 27–10 to win their second Super Bowl. Super Bowl XII was an American football game between the National Football Conference (NFC) champion Dallas Cowboys and the American Football Conference (AFC) champion Denver Broncos to decide the National Football League (NFL) champion for the 1977 season. 'From Paris to the Paris of America' with the Tyler Junior College Apache Belles, Pete Fountain, and Al Hirt Phyllis Kelly of Northeast Louisiana University Louisiana Superdome, New Orleans, LouisianaĬowboys: Tex Schramm (team administrator), Gil Brandt (team administrator), Tom Landry (head coach), Tony Dorsett, Cliff Harris, Drew Pearson, Mel Renfro, Roger Staubach, Randy White, Rayfield Wright For the Super Bowl that was played at the completion of the 1978 season, see Super Bowl XIII.

Full 1979 dallas cowboy roster