I don't like posting every article I can find, but I found this one really intriguing and different in how it approaches evaluating performance. I'll c&p a small part to whet the appetite, but you should really follow the link to read the whole thing (and I can't cut & pate tables anyway) http://sports.espn.go.com/nfl/news/story?id=3723735 He goes on to reveal other tidbits, such as that Favre has the lead league for QBs for getting PIs called on the defenses he's played. He also uses similar logic to say Coles had a better day than Moss or T.O. ...