The Bills have lost 4 Super Bowls but to only 3 different teams:
The Bills lost Super Bowl 25 to the New York Giants.
The Bills lost Super Bowl 26 to the Washington Redskins.
The Bills lost Super Bowl 27 to the Dallas Cowboys .
The Bills lost Super Bowl 28 to the Dallas Cowboys.
The Dallas Cowboys defeated four teams in their five Super Bowl victories -- the Miami Dolphins in Super Bowl VI, the Denver Broncos in Super Bowl XII, the Buffalo Bills in Super Bowls XXVII and XXVIII and the Pittsburgh Steelers in Super Bowl XXX.
California has the most appearances, if you count all three teams - the Oakland (LA)Raiders, San Francisco 49ers and San Diego Chargers. If you're counting an individual team, that would be the Dallas Cowboys - they are 5-3 in the Superbowl.
Green Bay, San Francisco, Dallas, Giants, Patriots, Washington
Two teams have won three Super Bowls in four years: 1) Dallas Cowboys - Super Bowls XXVII, XXVIII, and XXX 2) New England Patriots - Super Bowls XXXVI, XXXVIII, and XXXIX
Charles Haley was a member of three Cowboy teams and 2 san Fran teams for a total of 5 super bowl winning teams.
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 San Francisco 49ers (5-0) are the only team with multiple appearances to never lose a Super Bowl. Three other teams have won in their only appearances: the NY Jets, Baltimore Ravens and Tampa Bay Buccaneers.The New Orleans Saints could join the list of one-time winners if they defeat the Indianapolis Colts in Super Bowl XLIV (outcome pending).
Joe Montana of the San Francisco 49ers won three Super Bowl Most Valuable Player awards for his performances in Super Bowls XVI, XIX and XXIV. The team with the most Super Bowl MVPs is the Dallas Cowboys, who produced seven in eight appearances.
Three: The 1993 Dallas Cowboys, the 2001 New England Patriots and the 2007 New York Giants.
Dallas has five Super Bowl championships; the Raiders have three.
The Pittsburgh Steelers and the Dallas Cowboys played against each other three times. The Steelers won Super Bowls X and XIII; the Cowboys won Super Bowl XXX.
The Dallas Cowboys have won five Super Bowl titles; the Raiders have three.
The Dallas Cowboys have lost 3 super bowls.