Is the Patriots defense historically good?http://www.msn.com/en-us/sports/nfl/is-the-patriots-defense-historically-good/ar-AAJ8P5I?ocid=ob-tw-enus-1508523114409 …

Is the Patriots defense historically good?http://www.msn.com/en-us/sports/nfl/is-the-patriots-defense-historically-good/ar-AAJ8P5I?ocid=ob-tw-enus-1508523114409 …