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 XLVIII playoffs, and 1–2 in the Super Bowl. Including Denver's loss, none of the eight highest-scoring teams in league history won a Super Bowl in the same season, and all four teams who entered the championship with the league's leading passer lost the game. Manning's 34 completions and Demaryius Thomas' 13 receptions were both Super Bowl records. With touchdowns scored on offense, defense, and special teams, the Seahawks became the first team since the Ravens in Super Bowl XXXV to do so. Teams with an interception return for a touchdown also stayed perfect, improving to 12–0 in Super Bowls. As a