The Super Bowl losers don't seem to do well the following year.
1998-Super Bowl-Denver Broncos defeated Green Bay Packers (13-3) 31 to 24. 1999-Packers (11-5) lost in the first round to San Francisco 49ers 30 to 27.
1999-Super Bowl-St Louis Rams defeated Tennessee Titans (13-3) 23 to 16.
2000-Titans (13-3) lost in the first round to the Baltimore Ravens 24 to 10.
2000-Super Bowl-Baltimore Ravens defeated New York Giants (12-4) 34 to 7. 2001 New York Giants fell to 7-9.
2001-Super Bowl-New England Patriots defeated St. Louis Rams (14-2) 20 to 17. 2002 St. Louis Rams fell to 7-9.
2002-Super Bowl-Tampa Bay Buccaneers defeated Oakland Raiders (11-5) 48 to 21. 2003 Oakland Raiders fell to 4-12.
2003-Super Bowl-New England Patriots defeated Carolina Panthers (11-5) 32 to 29. 2004 Carolina Panthers fell to 7-9.
2004-Super Bowl-New England Patriots defeated Philadelphia Eagles (13-3) 24 to 21. 2005 Philadelphia Eagles fell to 6-10.
2005-Super Bowl-Pittsburgh Steelers defeated Seattle Seahawks (13-3) 21 to 10. 2006 Seattle Seahawks (9-7) lost in the second round to the Chicago Bears 27 to 24.
2006-Super Bowl-Indianapolis Colts defeated Chicago Bears (13-3) 29 to 17. 2007 Chicago Bears fell to 7-9.
2007-Super Bowl-New York Giants defeated New England Patriots (14-0) 17 to 14. 2008 New England Patriots fell to 11-5
2008-Super Bowl-Pittsburgh Steelers defeated Arizona Cardinals (9-7) 27 to 23. 2009 Arizona Cardinals were better during the season with a 10-6 record. They lost the second round to the New Orleans Saints 45 to 14.
2009-Super Bowl-New Orleans Saints defeated Indianapolis Colts (14-2) 31 to 17. 2010 Indianapolis Colts (10-6) lost in the first round to the New York Jets 17 to 6.
2010-Super Bowl-Green Bay Packers defeated the Pittsburgh Steelers (12-4) 2011 Pittsburgh Steelers (12-4) lost in the Wild Card game to the Denver Broncos 29 to 23.