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 and Bell's Eagles went to Pittsburgh, where they became the Steelers, while Thompson's Iron Men moved to Philadelphia, where they took on the Eagles moniker. This was described at the time as "one of the most unusual swaps in sports history". In fact, though the Pittsburgh team played as the Steelers, they operated under the name the "Philadelphia Eagles Football Club, Inc." for the next several years. Because the entire strange turn of events all took place during the off-season and the Steelers never actually missed a game in Pittsburgh, the NFL considers the Rooney reign unbroken. The transaction, which