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 VIII Cowboys, 27–10, in the playoffs. Meanwhile, the Dolphins defeated the AFC Central champion Cincinnati Bengals 34–16 in the divisional round, and the AFC West Champion Oakland Raiders, 27–10 for the AFC Championship. The Dolphins were the first team to appear in three consecutive Super Bowls. Just as in the regular season, Miami relied primarily on their run game in the playoffs, racking up 241 rushing yards against Cincinnati and 266 vs the Raiders. The ground game was particularly crucial against Oakland, as it enabled them to win despite completing just 3 of 6 passes for 34 yards in the game.