Running the ball effectively has a wider impact than just offensive rankings. It was critical to keeping a mediocre defense off the field and fresh which, in turn, made them even more effective than the previous year's group.
The 2014 Cowboys' defense faced only 10 fewer possessions, but allowed almost 100 fewer points. That defense
was more effective than the previous year's group.
In 2013, teams like the Dolphins, Jets, and Titans all had better defenses than the Cowboys. In 2014, all of those teams' offenses made huge improvements in TOP, and none of those teams' "rested" defenses approached the kind of season that the Dallas defense had. Teams like the Colts and Ravens saw their TOP go way down, but their "tired" defenses were just as good as the year before, and they had more successful seasons because their offenses were more productive, despite being on the field less. They just scored more quickly and more often.
There's more than one formula for success -- or failure.
All rankings are per-drive. 2014 rank (2013 rank)
PA = points allowed
Dallas
Offense TOP 7th (21st) +14
Defense PA 16th (30th) +14
Tennessee
Offense TOP 10th (28th) +18
Defense PA 28th (18th) -10
Miami
Offense TOP 11th (25th) +14
Defense PA 23rd (12th) -11
Indianapolis
Offense TOP 25th (13th) -12
Defense PA 11th (13th) +2
Jets
Offense TOP 15th (24th) +9
Defense PA 24th (17th) -7
Baltimore
Offense TOP 27th (18th) -9
Defense PA 10th (7th) -3