Super Bowl XXIV coaches; rookie head coach George Seifert took over after Bill Walsh retired following the previous season's Super Bowl. The 49ers finished the 1989 regular season with a league best 14–2 record. The Broncos, who posted an 11–5 regular season record, entered the Super Bowl looking to avoid tying the Minnesota Vikings with four Super Bowl losses as well as the Vikings record of losing three Super Bowls in four years. This game remains the most lopsided game in Super Bowl history. San Francisco's 55 points were the most ever scored by one team, and their 45-point margin of victory was
Super Bowl and Indianapolis Colts continued the era of AFC dominance by winning Super Bowls XL and XLI in 2005–06 and 2006–07, respectively defeating the Seattle Seahawks and Chicago Bears. In the 2007 season, the Patriots became the fourth team in NFL history to have a perfect unbeaten and untied regular season record, the second in the Super Bowl era after the 1972 Miami Dolphins, and the first to finish 16–0. They easily marched through the AFC playoffs and were heavy favorites in Super Bowl XLII. However, they lost that game to Eli Manning and the New York Giants 17–14, leaving the