They played each other twice in the superbowl in back to back years.
The Buffalo Bills and The Dallas Cowboys
Baltimore, Miami, Denver, Pittsburgh (three times) and Buffalo (twice).
Dallas Cowboys and the Buffalo Bills, with the Cowboys winning both games.
Dallas Cowboys
The Dallas Cowboys won five Super Bowls, these were the teams they defeated:1/16/1972 - Miami Dolphins1/15/1978 - Denver Broncos1/31/1993 - Buffalo Bills1/30/1994 - Buffalo Bills1/28/1996 - Pittsburgh Steelers
No one won THREE Super Bowls in 1993, as there is only ONE Super Bowl per year. But the Dallas Cowboys won their THIRD Super Bowl in the beginning of 1993. They won their fourth Super Bowl the following year, and their fifth in the beginning of 1996. They defeated the Buffalo Bills, the Buffalo Bills, and the Pittsburgh Steelers, respectfully. Currently they have won five Super Bowls and have lost three.
The Dallas Cowboys in Super Bowls XXVII and XXVIII, the Washington Redskins in Super Bowl XXVI, and the New York Giants in Super Bowl XXV.
The Buffalo Bills in the 1993-1994 Super Bowls.
The Dallas Cowboys won 5 Super Bowls and lost 3.
Super Bowl rematches have happened five times in the history of the Super Bowl. The Pittsburgh Steelers and the Dallas Cowboys have played for the NFL championship three times, in Super Bowls X, XIII and XXX. The Miami Dolphins and the Washington Redskins have played twice, in Super Bowls VII and XVII. The San Francisco 49ers and the Cincinnati Bengals played twice, in Super Bowls XVI and XXIII. The Dallas Cowboys and the Buffalo Bills played in back-to-back NFL title games -- Super Bowls XXVII and XXVIII.
The Buffalo Bills are the only team to appear in four consecutive Super Bowls (losing all of them). Dallas and Pittsburgh (and New England after February 1, 2015) have the most appearances (8) followed by Denver (7) and San Francisco (6). The NYG, Green Bay, Washington, Oakland and Miami have 5 each, while Minnesota and Indianapolis round out the group of teams that have appeared 4 or more times.
The Dallas Cowboys.