The NFL's 32 teams have their bye weeks fit into a 10-week span from Weeks 5 through 14, with the exception of Week 13 this year. That averages out to 3.2 byes per week.

Here's how the ratings work: an average NFL team gets a zero rating, no better or worse than the median of the league. That applies to the Vikings and Cardinals here, two teams with win totals ...