http://espn.go.com/nfl/story/_/id/13...ings-august-31Below are the first Football Power Index rankings for the 2015 NFL season. For a full explanation on how the FPI is put together, please read this explainer. For more background, you can also read this Q&A with the developers of the FPI.
The Broncos are ranked 4th on here, but one thing I am confused about is their Predicted Defensive Rank. I did not read how this is put together, but 13th for Predicted Defensive Rank sure seems much lower than I think they should be based on what they have showed so far.