<Li> The San Francisco 49ers won two consecutive Super Bowls (XXIII and XXIV); the following season they were eliminated in the NFC championship by the eventual Super Bowl champion New York Giants . </Li> <Li> The Dallas Cowboys won two consecutive Super Bowls (XXVII and XXVIII); the following season they were eliminated in the NFC championship game by the eventual champion San Francisco 49ers . The Cowboys won Super Bowl XXX the following year for three wins in four seasons . </Li> <Li> The New England Patriots won Super Bowl XXXVI, which was two years before their consecutive wins in XXXVIII and XXXIX, for three wins in four seasons . They did not make the playoffs in the intervening season (XXXVII). The Patriots also won Super Bowls XLIX and LI and in the intervening season (50) were eliminated in the AFC championship game by the eventual champion Denver Broncos . </Li> <P> Three franchises have lost consecutive Super Bowls: </P>

Quarterbacks who won super bowl and national championship