I have watched Carolina a few times too. They play with tremendous confidence, but they have also won a lot of games by less than 4 points!
Sun, Sep 27 vs Saints W 22 - 27 Final
October 18 at Seattle Seahawks W 27–23
November 2 Indianapolis Colts W 29–26 (OT)
December 6 at New Orleans Saints W 41–38
December 20 at New York Giants W 38–35
Denver can win this game with a Bill Parcells control the TOP, win the special teams battle, and NO Turnovers type of game.
Peyton Manning these days is a game manager, and that's a good thing for Denver.
Just for the sake of accuracy, those first two games you listed there were not wins by less than 4 points.