What's at stake for Peyton Manning and Cam Newton, what history says about top offenses that go up against top defenses in the Super Bowl, the Panthers' red-zone attack is on an unstoppable run, and more.
With the field being whittled down to eight Super Bowl champions, legendary teams such as the 1972 Dolphins, 1985 Chicago Bears, 1999 St. Louis Rams and the 1966 Green Bay Packers fight for a spot in the quarterfinals. Not all survive.
Can the '72 Dolphins top the '02 Bucs to remain undefeated? Will the '85 Bears get past the '90 Giants to reach the Round of 16? And which Steelers team wins in a head-to-head matchup: the '75 version or Big Ben's '08 squad? Those answers and more in the second round of the Ultimate 50.