The best way to help your defense play better is to play keep away.

The best way to play keep away is to run the ball over 400 times.

It also leads to an improved passing game, because it keep THEIR defense on its toes.

Look it how much it benefitted Romo from one year to the next throw 100 less passes:

2013 - 535a - 342c - 63.9% - 3828y - 31td - 10i - 96.7

2014 - 435a - 304c - 69.9% - 3705y - 34td - 09i - 113.2