http://www.nfl.com/news/story/09000d5d822a2a4a/article/frazier-vikings-are-only-winning-half-the-battle?module=HP11_content_stream

I really liked this article by Michael Lombardi.

To summarize, the author make two good points:

  • Vikings have destroyed the theory of halftime point differentials despite having the best running back in the league.

  • If you don't have tendencies on offense, you're not good!