Tuesday, July 24, 2007

Updated Passing Chart Explanation

Back in December, I came out with Version One of the Pass Chart. I've since revised the definitions, and updated the actual chart with how VY did in each of the 7 games I've charted. So, here you go:

Brian at MGoBlog has been the inspiration (read rip-off target) for all of the UFR stuff. This includes his passing chart, which is the subject of this post. You've seen these weird abbreviations, like (CA), (IN), and (BR) in the play-by-play breakdowns. What do these mean? If you follow the link, you can see Brian's descriptions. Mine are a little bit different:

DO: Dead-On. Throws that are pretty much perfect. This is reserved for throws of rare beauty and perfection. It's rarely applied to throws less than 15 yards down the field--when it is, it's often a good 3rd down conversion. Finding a small hole in a zone, hitting a guy in stride on a deep pass, awesomeness emanating from the QB position. These are throws Peyton Manning would gladly claim as his own.

CA: Catchable. These are the run-of-the-mill accurate throws, neither particularly good nor particularly bad. This is the highest possible grade for easy throws barring some sort of Herculean effort. CA fits a wide range of throws, probably too many.

IN: Inaccurate. Deep balls underthrown by 5 yards or more. Passes thrown 5 feet over the receiver's head. Much of the oeuvre of Kerry Collins, or perhaps almost every pass thrown by Reggie Ball if you're a college fan.

BR: Bad Read. VY's pick in the end zone by Jackson in the second Colts game is a good example. VY thought he had an open receiver, and missed the DB playing centerfield. Throwing into double coverage and ignoring the guy open 12 yards downfield also falls here, though this is harder to spot on TV. Basically, the QB doesn't see something that he should that was a better option than what he did. A low bad read total does not necessarily mean that a QB's decision making is nearly perfect, merely that I can't definitively tell you it should have been better.

SCR: Scramble. On a designed pass play, the QB takes off and runs with the football. If I think it's a designed pass play, I call it a pass play and scramble. Does not include designed runs. Note that not all scrambles are graded SCR: if I think it's clearly a bad decision to take off, I'll get it (BR).

PR: Pressure. These plays were negatively affected by people rushing the QB. Includes not just those throws graded PR, but also quarterback sacks. Before grading a play (PR), I try to take into account that there's almost no such thing as a coverage sack, particularly with a mobile QB like VY. Normally, this is either linemen blowing their blocks or rushers outscheming the protection.

With my next post, I will look at how Vince Young did in 2006.


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