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 XLV to commemorate two anniversaries—the 25th anniversary of Super Bowl XX and 15th of Super Bowl XXX, which marked the Dallas Cowboys' most recent Super Bowl championship. In honor of those occasions, Super Bowl XX MVP Richard Dent and former Dallas Cowboys defensive back Deion Sanders, both of whom were inducted into the Pro Football Hall of Fame in 2011, joined the ceremonies. They were joined by fellow Pro Football Hall of Fame inductees and past Super Bowl participants Marshall Faulk, Chris Hanburger and Shannon Sharpe. The Black Eyed Peas performed a medley of their greatest hits: "I Gotta Feeling", "Boom