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YAC
I noticed how important yards/attempt was in calculating the QB rating. I was curious how the Chiefs stacked up to the NE and AZ offenses in YAC during 2009. I couldn't get a game/game figure for players, so I counted all of Longs and Chambers yards to as well as LJ's. That's probably an inflated number by maybe 50 yards, so I've rounded accordingly.
KC, 1100 YAC NE, 1900 YAC AZ, 1450 YAC Other noteable teams... DAL, 1700 YAC DEN, 1550 YAC DET, 1450 YAC GNB, 1700 YAC HOU, 1700 YAC IND, 1700 YAC MIN, 1700 YAC NOR, 1900 YAC SEA, 1550 YAC SDG, 1650 YAC Our top 5 guys in 2009: Code:
Jamaal Charles, RB KAN 204Our to 5 guys in 2008: Code:
Dwayne Bowe, WR KAN 386So we had 3 players in 2008 who were MUCH better at YAC in 2008 than any player in 2009. Why is that? Bowe's numbers are down somewhat because of his 4 games suspension. But Charles played much more, though probably less as a pass catching back? |
And for the record, 2007 Chiefs:
Code:
Dwayne Bowe, WR KAN 354 |
Because our QB doesn't hit guys in stride? His innaccuracy causes them to come back to the ball, dive for the ball etc..
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I remember Bowe in his rookie year was always instantly turning upfield with his receptions. In fact, he reminded me a lot of Terrel Owens in the way he tried to turn every catch into something more.
Now It's all he can do just to hang on to the damn ball. What the hell happened? |
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New England's YAC in 2008 vs 2009 2008 with Cassel, 2100 YAC 2009 with Brady, 1900 YAC 2009 with Cassel, 1100 YAC Cassel was able to deliver the ball well enough in 2008 to get 1000 more yards off of YAC alone than KC in 2009. That's amazing. |
YAK
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Our guys must need to run further after they catch it.
Wait...our guys generally dont catch it. |
Are you talking about "yards after catch" or "yards/attempt"? Your OP confused me.
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:p Isn't jAZ and Patteeu talking football a sign of the Apocalypse? |
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It started with looking at Cassel's QB rating, and realizing that a big part of the formula for QB Rating is based upon a QB's yards per attempt. It occured to me how worthless that portion of the formula can be (at least to an extent) given that a big portion of a QB's yardage number is generated by YAC. In fact, certain offensive systems are designed to be productive based largely on YAC. If the WR's are ineffecitve at generating YAC, it can have a substantial impact on the QB rating. Cassel circa 2008 benefied from 2100 YAC at NE. Only 1100 with KC. Same QB, different weapons. Those 1000 yards of YAC difference are worth almost 10 points of difference in Cassel's QB rating (69.9 vs 78.4). If Bowe plays all 4 games and somehow our WR's get just the YAC output we had in 2007 or 2008 (about 300 more yards), Cassel's QB rating goes up to about the same level. |
Cassel is what he is. He's an average QB. You shouldn't have to tweak numbers to make him look better.
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So I just recalc'ed the QB ratings and resorted the list after taking out each teams YAC from the QB's calculation. It's not perfect, as some QBs' didn't play the whole season, and I'm taking out a whole season of YAC from their yardage (see Vince Young), but suprisingly the order of the list didn't change that much.
Code:
W/O YAC W/ YAC Player |
Our passing game looks a whole lot like 5 club-footed monkeys in a hot potato scrum.
It's an interesting statistic, to be sure, Mr. jAZ. We once proved beyond a shadow of a doubt that Yards Per Attempt (a related stat) has a significant impact on win/loss records. My guess is that YAC is dependent upon A) Proper route running, B) Ability of WR to gain separation, C) Ball placement, and D) Desire ... not necessarily in that order. Since we are struggling in practically every one of those categories, it makes sense that our overall YAC is low. FAX |
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