NFL power rankings, Week 9: Bills tumble, Saints soar

Oct 16, 2016; New Orleans, LA, USA; New Orleans Saints quarterback Drew Brees (9) calls a play in the huddle in the second quarter of the game against the Carolina Panthers at the Mercedes-Benz Superdome. Mandatory Credit: Chuck Cook-USA TODAY Sports
Oct 16, 2016; New Orleans, LA, USA; New Orleans Saints quarterback Drew Brees (9) calls a play in the huddle in the second quarter of the game against the Carolina Panthers at the Mercedes-Benz Superdome. Mandatory Credit: Chuck Cook-USA TODAY Sports
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October 23, 2016; Santa Clara, CA, USA; San Francisco 49ers running back DuJuan Harris (32) runs against Tampa Bay Buccaneers defensive tackle Akeem Spence (97) during the first quarter at Levi's Stadium. Mandatory Credit: Kyle Terada-USA TODAY Sports
October 23, 2016; Santa Clara, CA, USA; San Francisco 49ers running back DuJuan Harris (32) runs against Tampa Bay Buccaneers defensive tackle Akeem Spence (97) during the first quarter at Levi’s Stadium. Mandatory Credit: Kyle Terada-USA TODAY Sports