History of the Pittsburgh Steelers Dallas defeated the Steelers in Super Bowl XXX to become the second team behind San Francisco to win five Super Bowl Championships. Ten years later, Pittsburgh would join Dallas and San Francisco to become the third team to reach that milestone when they defeated the Seattle Seahawks in Super Bowl XL. Three years later, the Steelers would become the first team to win a sixth Super Bowl, achieving that milestone in the 2008–09 season. They played against the Arizona Cardinals in Super Bowl XLIII, with a 27–23 comeback victory. The Broncos have competed in seven playoff games against the Steelers,
History of the Pittsburgh Steelers Week 10, things crumbled as Pittsburgh dropped five in a row, including losses to Kansas City and Oakland, two of the league's weakest teams. The ultimate disaster came in Week 14, when an unprepared, injury-compromised Steelers team lost to the 1–11 Cleveland Browns for the first time since 2003. Pittsburgh managed to snap its losing streak in the next game, where they beat Green Bay by one point with Ben Roethlisberger throwing a career-best 504 passing yards. They then won against Baltimore the following week, and on the season ender defeated Miami to finish 9–7. However, the Ravens' victory over