Pittsburgh Steelers in Super Bowls X and XIII.
The Dallas Cowboys have played the Buffalo Bills twice in a super-bowl, and won both times
The Steelers defeated the Dallas Cowboys twice in the Super Bowl. They won Super Bowl X and XIII. The Cowboys won Super Bowl XXX.
Dallas Cowboys Dallas Cowboys San Fransisco 49ers Washington Redskins
The Dallas Cowboys lost twice to the Pittsburgh Stelers in the Super Bowl. Dallas lost Super Bowl X 21-17 and Super Bowl XIII 35-31.
The Pittsburgh Steelers defeated the Dallas Cowboys 21-17 in Super Bowl X and 35-31 in Super Bowl XIII.
The Pittsburgh Steelers, in Super Bowls X and XIII.
Baltimore, Miami, Denver, Pittsburgh (three times) and Buffalo (twice).
The Steelers played twice at the Orange Bowl in Miami, Florida. They defeated the Dallas Cowboys in Super Bowl X and XIII.
The Dallas Cowboys lost to the Baltimore Colts in the Super Bowl before the team relocated and became the Indianapolis Colts and they then lost to the Pittsburgh Steelers twice afterwards though not consecutively.
The Dallas Cowboys have won 13 regular season games twice -- in 1992 and 2007. The most overall games won by the team -- including playoffs -- was 16 by the 1992 Super Bowl champions.