The cowboys!!
Yes, the New Orleans Saints are very capable of winning the Super Bowl in consecutive years.
Gale Gilbert was a backup quarterback for the Buffalo Bills for the four years they went to the Super Bowl and lost (Super Bowls XXV-XXVIII) and was the backup quarterback for the San Diego Chargers in Super Bowl XXIX.
February 2016 is the 50th annual Super Bowl.
That would be the Rose Bowl which has been played every year since 1916.
The Buffalo Bills, who lost their appearances in Super Bowls XXV, XXVI, XXVII and XXVIII.
Yes ... not only are the Bills the only team to lose four consecutive Super Bowls they are the only team to ever play in four consecutive Super Bowls.
As of Super Bowl XLII, no quarterback nor team has won three consecutive Super Bowls.
The Super Bowl has never been canceled and has occurred every years since 1967.
Ohio
Bills 4
Pittsburgh beat Dallas in Super bowl X and XIII. Dallas won Super Bowl XXX. The Dolphins Played the Redskins twice, each winning one. The 49ers played the Bengals twice, winning both times The Cowboys beat The Buffalo Bills in consecutive years in '93 and '94. The Giants beat the Patriots in both Super Bowl XLII and XLVI.
The Cowboys and Bills are the only Super Bowl rematch in back to back years. This happened in Super Bowls XXVII and XXVIII.