Peyton Manning has been a top fantasy scorer for over a decade, so it's crazy to call him a potential bust, right? Having not yet thrown a pass since offseason neck surgery, he's one of four guys we're not sure about.
Is 2012 the year the Ravens get over the playoff hump? They'll have to do it without Terrell Suggs for much of the year, and the burden of his absence will be given to second-rounder Courtney Upshaw.
The Detroit Lions spent 2011 with the football in the air, with one of the NFL's best passing attacks and worst run games. With Jahvid Best and Mikel Leshoure back healthy, that could change in '12.