Check out ColdHardFootballFacts.comCongratulations to the Baltimore Ravens, champions of Super Bowl XLVII.So what have you done for me lately?You think it’s been tough trying to figure out who’s going to win the whole ball of wax each season? Trying winning one of these things twice in a row?No team in the NFL has won back-to-back Super Bowls since the New England Patriots in 2003 and 2004. In fact, Bill Belichick’s club is also the last club to make consecutive Super Bowl appearances. And to make matters even worse, the 2005 Patriots are the last defending Super Bowl champion to win a postseason game.Wow.Here’s a look at the previous eight defending Super Bowl champions and what happened the season after they held the Lombardi Trophy.Can the Ravens say never more to the recent trend of one-and-out champions? We’ll have to wait a while for that answer...http://www.coldhardfootballfacts.com/content/matter-facts-repeat-champions-rearview-mirror-history/21379/