Super Bowl Ronnie Lott. Under their leadership, the 49ers won four Super Bowls in the decade (XVI, XIX, XXIII, and XXIV) and made nine playoff appearances between 1981 and 1990, including eight division championships, becoming the second dynasty of the post-merger NFL. The 1980s also produced the 1985 Chicago Bears, who posted an 18–1 record under head coach Mike Ditka; quarterback Jim McMahon; and Hall of Fame running back Walter Payton. Their team won Super Bowl XX in dominant fashion. The Washington Redskins and New York Giants were also top teams of this period; the Redskins won Super Bowls XVII, XXII, and
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