All this article says is that for every Peyton Manning you have a Jamarcus Russell, so the player that falls in the middle of those types is Brad Johnson. In a perfect world of averages, you end up with Brad Johnson. It doesn't take into account the strength and/or weakness of each draft class, or a teams proclivity for screwing up the draft or drafting well.
Seahawks 2012 & Forever. No more waiting on a QB.