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,
1975 Pittsburgh Steelers season Rushing Receiving Kicking Punting Kick Return Punt Return Defense & Fumbles Scoring Summary Team Quarter-by-quarter Pittsburgh won the game, despite giving up eight turnovers. 1975 Pittsburgh Steelers season The 1975 Pittsburgh Steelers team was the second championship team in club history. This Steelers team entered the beginning of the season as defending champions for the first time in their 40-year history. The team was led by a dominating defense and a quick offense, and won Super Bowl X over the Dallas Cowboys, 21-17. The team posted their best defensive numbers since 1946, and scored more points than any other Steelers