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Week 5 of the NFL season already started with a bang.

The Miami Dolphins decided to dismiss head coach Joe Philbin after the team's 1-3 start, and he's not the only coach who entered this week's proceedings on the hot seat.

And there has been a major shift at the top of Bleacher Report's power rankings this week.

To make sense of it all, eight Bleacher Report NFL writers—Gary Davenport, Mike Freeman, Brad Gagnon, Matt Miller, Ty Schalter, Mike Tanier, Sean Tomlinson and myself—determined which teams are the best and the worst after four weeks of play.

To build a consensus for Bleacher Report's power rankings, each team's rankings from individual writers were added together. The lowest totals made up the best units, while the highest totals naturally fell on the other side of the spectrum. If a rare tie occurred, the club with the highest single vote got the nod.

Despite being on a bye week, the New England Patriots finally overtook the Green Bay Packers for the No. 1 spot. The Arizona Cardinals and Buffalo Bills slipped because of losses.

Meanwhile, teams such as the Cincinnati Bengals and Atlanta Falcons continue to cruise along, and legitimate Super Bowl aspirations are starting to blossom now that we've reached the quarter mark of the season.

On the flip side, a new team fell to the bottom of the rankings with the Chicago Bears' victory over the Oakland Raiders.

Click through the slideshow to find out where the rest of the teams fell in Bleacher Report's Expert Consensus Standings as Week 5 approaches.