The main question that the discerning Ravens fan asks whenever any free agent is brought into the mix is, "Is he good?" It would be easy to go with the media flow, and just assume that whatever the consensus is, must be the truth.
I was asking this question when the Ravens recently signed CB Jerraud Powers. A 13-game starter from Arizona's powerful defense sounds pretty solid.
And then I looked at his Pro Football Focus grade.
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Pro Football Focus is an independently grown service where the associates watch every single play of all particular players in a particular game.