Some things just haven't worked out.
Halfway through the NFL season and some things are exactly as they’re supposed to be. The Broncos and Patriots are in first place. The 49ers and Seahawks are locked in a battle in the NFC West. Peyton Manning, Adrian Peterson and Calvin Johnson are still among the best at their positions.
Yes, there are some surprises – like the still undefeated Kansas City Chiefs – but there are also some major disappointments.