The rankings incorporate offensive, defensive and special-teams metrics, with a focus on yardage per play, adjusted per-possession efficiency (including points per possession) and the rate at which teams gain and prevent first downs. Strength of schedule and error rates (penalties and giveaways) are also factored into the calculation.
Possession data is adjusted to eliminate kneeldowns or other obvious scenarios where the offense is not attempting to advance the football.
This week, we'll take a little detour back through the years, to a long time ago in a galaxy far, far away to answer this question: If teams were Star Wars characters, who would they be?