Check out ColdHardFootballFacts.comA few weeks ago, the San Francisco 49ers attempted to become the second franchise to win at least six Super Bowls, equaling the accomplishment of the Pittsburgh Steelers.In 2013, the Niners will attempt to do something that has happened in the National Football League in more than 40 years.In this age of parity where repeating as Super Bowl champions has become tougher than ever, rebounding from a loss in the Big Game has been even harder. And it’s a streak that’s been going on far longer than the free agency era, which began in 1993.Only twice in the history of the Super Bowl has a team lost that game, then rebounded to capture the Lombardi Trophy a season later.The 1971 Dallas Cowboys were the first, losers to the Baltimore Colts in Super Bowl V in Miami and then winners a year later over the Miami Dolphins at New Orleans in Super Bowl VI.One season later, the Dolphins shook off that setback in historical fashion. Don Shula’s team went 17-0 en route to their 14-7 win over the Washington RedskinsThat’s it. That’s the last time a team lost the Super Bowl, then came back and won it all...http://www.coldhardfootballfacts.com/content/loss-when-it-comes-to-explaining-super-bowl-runners-up/21459/