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 IX home for much of their history aside from a few games in the 1960s, when the NFL was encouraging (but not requiring) teams to wear white at home. This was the only one of the four Super Bowls the Steelers of the 1970s played in that the team wore their white jerseys, and the only Super Bowl the team would wear white at all until Super Bowl XL 31 years later. When the NFL awarded Super Bowl IX to New Orleans on April 3, 1973, the game was originally scheduled to be played at the Louisiana Superdome. By July 1974,