The New England Patriots remain atop, while would be playoff contenders like the Seattle Seahawks and Baltimore Ravens drop.
In Week 1 last season, the Titans crushed the Chiefs in Kansas City and the Dolphins manhandled New England. Those results should serve as reminder enough that there's no reason to overreact to what goes down on opening weekend.
On the other hand, last Thursday through Monday gave us our first full glimpse at the 2015 teams—the preseason hardly counts.
There was some substantial movement in this week's Power Rankings, just as there figures to be again next week, especially with another stockpiled set of games.
Here's how things stand after Week 1: