The Super Bowl bracket has shrunk from 14 teams all the way to just three, with just the AFC left to determine a champion. Unlike in the famous Agatha Christie novel, there will be one left standing when the dust, or confetti, settles in just a few weeks.

The NFL playoff bracket is ever-changing, evolving as the postseason moves along. Both No. 1 seeds, one in each conference, earn a bye week to begin their playoff schedule. It's a departure from the old format, where the top two seeds were awarded bye weeks.