Super Bowl X Super Bowl X Super Bowl X was an American football game between the National Football Conference (NFC) champion Dallas Cowboys and the American Football Conference (AFC) champion Pittsburgh Steelers to decide the National Football League (NFL) champion for the 1975 season. The Steelers defeated the Cowboys by the score of 21–17 to win their second consecutive Super Bowl. They were the third team to win back-to-back Super Bowls. (The Miami Dolphins won Super Bowls VII and VIII, and the Green Bay Packers won Super Bowls I and II.) It was also the first Super Bowl in which both participating teams
Super Bowl XXXVIII seed to advance to the Super Bowl since the league expanded to a 12-team playoff format in 1990. In doing so, they were also the first division winner to advance to the league championship after playing "three" playoff games. All other instances up to this point where teams advanced to the Super Bowl after playing all three rounds of the playoffs were wild card teams in Super Bowls XV, XX, XXVII, XXXII, XXXIV, and XXXV. Prior to Super Bowl XVII, the Miami Dolphins and Washington Redskins both won three playoff games to reach the Super Bowl, but that came during