A few words on Carolina.
First, they haven't yet played against a first-string QB on a team that has a winning record. That's an incredibly lucky stat this late in the season. For example, the Cowboys have played 4 games against winning teams and their #1 QB, and are 2-2 in those games.
Second, about their passing game. Carolina has yet to play even one game against a pass defense in the top 12 in passes defended. Unusually lucky. Dallas has already faced 6 teams in the top 12.
Carolina has only played against one defense that is among the top ten in sacks (and they lost that game). Six of their eight games have been against defenses that rank in the bottom half of the league in sacks.
Carolina has only played one game against a defense that ranks in the top 12 in INT's. In fact, half of their games have been against teams among the bottom 10.
Nice recipe for an aerial circus, and a 6-2 record.