The Saints run DEFENSE has been elite. The run offense has been stagnant outside of week 1. Kamara is constantly needing to churn up YAC and Murray has essentially been invisible. Yes, the Saints have faced above average competition but the interior OL has not done their part.
Rush offense DVOA
WEEK 1. 13.7%
WEEK 2. -36.1%
WEEK 3. -23.1%
WEEK 4. -1.9%
WEEK 5. -13.5%