NFL Power Rankings Week 2 Author:Chris BurkePublish date:Sep 18, 2013Could Peyton Manning and the Broncos go undefeated this season? It's fair to wonder.Simon Bruty/SI NFL Power Rankings Latest NFL NewsEx-Bills RB Nyheim Hines Finds New Home: DetailsChargers Lose Key Free Agent to NFC North SquadPatrick Queen Picks Steelers Over Panthers + OthersHow the 49ers Will Replace Arik ArmsteadRamon Foster On Steelers Signing Russell Wilson, "It Cuts the Legs Out From Under Kenny Pickett"