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 XL refrigerator" spot ranked as the top spot. This was just the fifth time in Super Bowl history when a lower-seeded team opened as the favorite to win; the previous occurrences were Super Bowls XXXIX (AFC second-seeded New England Patriots were favored by seven points over NFC top-seed Philadelphia Eagles), XXXV (AFC fourth-seeded Baltimore Ravens were favored by three points over NFC top-seed New York Giants), XXIII (NFC second-seeded San Francisco 49ers were favored by seven points over AFC first-seed Cincinnati Bengals), and XVII (AFC second-seeded Miami Dolphins were favored by three points over NFC top-seed Washington Redskins). In each but