Colts passer rating differential

Nate Dunlevy quotes my all-time favorite NFL stat passer rating differential as he breaks down what went wrong for the Colts last year. Passer rating differential essentially compares offensive passing to defense against the pass. It’s the best predictor of championships we have–a point the Colts woefully proved in 2011:

The Colts were a cataclysm at quarterback, ranking 30th in team passer rating. They also fielded one of the worst secondaries in the league, ranking 31st in defensive passer rating. The net result is a PRD of minus-31.7.

So, who has the No. 1 pick in the draft again?

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