A lot of teams get locked in place now, because we are reaching the time of year when strange weather becomes a factor, or because some teams are not playing as hard because they have already clinched playoff berths, or been eliminated.
Packers: Losing to the Bears twice shows me the Pack are not all that good. However, I will consider the game conditions were less than ideal. The fact they beat the Chargers earlier this season still keeps them up here.
Redskins: The Redskins game with the Vikings was the most meaningful to the rankings. Their win showed they are playoff-ready compared to the Vikings, so the Skins get to leapfrog up to this spot.
Bills: Their loss to the Giants brings them down a few notches.
Bears: While beating the Packers twice was pretty impressive, they also lost twice to the Lions.