The Pittsburgh Steelers hold a two games to one edge over the Dallas Cowboys in Super Bowls. The Steelers won Super Bowls X and XIII, while the Cowboys had the upper hand in Super Bowl XXX.
The Dallas Cowboys did not play two consecutive losing Super Bowls. However, they were beaten in their two appearances against the Pittsburgh Steelers in Super Bowls X and XIII. Between those two, Dallas beat the Denver Broncos in Super Bowl XII. (Dallas finally beat the Steelers in Super Bowl XXX, but are one victory behind Pittsburgh.)(see the related concise list question)
The Buffalo Bills.
The Dallas Cowboys won Super Bowl XXX. They beat the Pittsburgh Steelers 27-17.
The Steelers defeated the Dallas Cowboys twice in the Super Bowl. They won Super Bowl X and XIII. The Cowboys won Super Bowl XXX.
Once. The Dallas Cowboys beat the Pittsburgh Steelers on January 28, 1996 in Super Bowl XXX, 27-17.
1993 & 1994 (:
Dallas beat Denver, 27-10.
The Pittsburgh Steelers defeated the Dallas Cowboys 21-17 in Super Bowl X and 35-31 in Super Bowl XIII.
The Cowboys, who have appeared in a record eight Super Bowls, lost three times:Super Bowl V (1-17-71) -- Baltimore Colts 16, Dallas 13.Super Bowl X (1-18-76) -- Pittsburgh Steelers 21, Dallas 17.Super Bowl XIII (1-21-79) -- Pittsburgh 35, Dallas 31.
The Cowboys have won 5 Super Bowls ---------- 1971: beat Miami, 24-3 1977: beat Denver, 27-10 1992: beat Buffalo, 52-17 1993: beat Buffal0, 30-13 1995: beat Pittsburgh, 27-17