A look at the Bucs after Week 1 - DVOA Style
WAre we done talking about week 1 yet? Almost, but not quite. I want to beat this dead horse a few more times to make sure it's truly gone. We're gonna take a look at DVOA (Defense adjusted value over average) for the Bucs and for our quarterback position, as that is/was the most singled out offensive position for some reason.
The good folks over at FootballOutsiders have run the numbers, formatted the spreadsheets and are ready to share their calculations. Let's dive on in.
A quick refresher course. Two stats that are going to be talked about; DVOA and DAVE. Straight from FO, here are the explanations.
DVOA - system that breaks down every single play and compares a team's performance to the league average based on situation in order to determine value over average.
DAVE - it stands for DVOA Adjusted for Variation Early.) In this week's DAVE ratings, the preseason projection counts for 90 percent, and the current VOA counts for 10 percent.
This will tell us not only where a certain team ranks and how they are doing, but it accounts for who we played. Beating up on an awful Rams team is not as impressive as beating up on the Steelers. Got it? Good.
So what do the Week 1 numbers show us? Let's start out with the good stuff.
| Team | Total DVOA | TOTALDAVE | RANK | OFFENSE DVOA | OFF RANK |
| TB | -44.6% | -15.2% | 27 | 43.0% | 3 |
Alright I lied, we start with a lot of bad stuff and a tiny bit of good stuff. What we see here is that the Bucs as a team were WAY below average. Adjusted for defense the team's total DVOA was -44.6%. This is pretty simple formula of Off DVOA - Def DVOA - S.T. DVOA. Wow. This totaled ranking put the Bucs 27th of the 32 teams. I find it hard to believe there are 5 teams worse than us, but I forgot our offense had a decent showing. So based on the average situation, the Bucs were 44% worse than their counterparts.
Speaking of offense, is that a positive number and single digit rank? The end of times must be around the corner. The Bucs offense had a very high positive DVOA, a nice change. Ranked 3rd in the NFL, this proves how well our offense played based on defense and how they compared to other NFL teams and the average in similar circumstances. It's a small sample, but very encouraging thus far. For example, on first down, the average team picked up 4 yards. The Bucs were 43% better (defense adjusted value over average) meaning we saw a gain of 5.72 yards. (Note: The numbers used were examples, not true data).
I've put it off as long as I could. Here's the really bad stuff aka the defensive numbers.
| Team | DEFENSE DVOA | DEF RANK | S.T. DVOA | S.T. Rank |
| TB | 75.7% | 32 | -11.9% | 28 |
First things first, on defense, the lower the number (i.e. negative) the better it is. So a value over average of 75.7% is horrendous, as you can see by our dead last ranking in the NFL. Are you surprised? We generated one sack, zero turnovers, and 3 TD passes over 30 yards. This is one of those times where the stats and what your eyes see/saw align.
Special Teams goes back to the higher number is better axiom, and here we are negative. Again, we kind of figured this. Our special teams are below average at this point, and almost dead last in the league.
Now that we've got a handle on the Bucs numbers, let's look at another team. To best compare this to another team, let's look at the only team we've seen thus far, the Dallas Cowboys.
| Team | Total DVOA | TOTALDAVE | RANK | OFFENSE DVOA | OFF RANK |
| Dal | 59.4% | 4.9% | 13 | 92.8% | 1 |
| TB | -44.6% | -15.2% | 27 | 43.0% | 3 |
Let's tackle the offensive numbers first. For as good as our offense was, look at how Dallas' numbers jump out. Using the value over average, us Bucs fans got to see the #1 and #3 offenses for the week. So we've got that going for us. As a team, the Cowboys total DVOA is superior to the Bucs, but that is thanks to how good the Bucs D made them look.
| Team | DEFENSE DVOA | DEF RANK | S.T. DVOA | S.T. Rank |
| Dal | 33.6% | 30 | 0.3% | 14 |
| TB | 75.7% | 32 | -11.9% | 28 |
The rest of the picture is just the flipside of what we already know. If the Bucs had the 3rd best offensive DVOA, it stands to reason that the Cowboys would have the 3rd worst defensive DVOA, and there it is. Their special teams were slightly above average, which didn't affect their total DVOA much.
What did we learn? The Bucs had a good offensive week, an atrocious defensive week and a terrible week on special teams, all lining up to place us in the bottom 20% of the league. This is one of those times as an analyst or writer where everything lines up. The eyes told a story and the stats confirmed it.
We'll be keeping an eye on the Buc's DVOA over the course of the year, as well as analyzing players, both our own and opposing, other teams, and other advanced stats to help paint the picture of who we have and who we are facing. In the very near future, we'll take a look at the lightning rod of the offense, Byron Leftwich, and his week 1 performance as told by DVOA, DYAR, and any other acronyms that are out there.
(Thanks again to FO for the use of their stats)
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21 comments
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Comments
Nothing too surprising.
I didn’t expect Dallas to have the #1 Offensive DOA, but mainly because I didn’t think our defense was any good. Glad we can move on now and look ahead to Buffalo, one of the more winnable games on our schedule. 45-55% chance of winning.
"I have come that you may have life, and life to the max"
by UNFNOLE on Sep 16, 2009 11:56 AM EDT reply actions 0 recs
I'm still trying to grasp DVOA
But it seems to match — for now anyways — the observations many would’ve made about each unit.
by R.J. Anderson on Sep 16, 2009 12:37 PM EDT reply actions 0 recs
Right
what the eyes see is being backed up by what the stats tell us. It’s tough to completely wrap your head around DVOA, but thus far, I havent been too surprised.
www.bucem.com - SBNation's source for all things Buccaneer
by Buc Wild on Sep 16, 2009 12:44 PM EDT up reply actions 0 recs
Just know that it is how good your defense or offense is
against how good the opposing defense of offense is. How they come up with it is pretty complex (and actually their link to that site has been down for a couple of weeks now).
I think it is the best barometer we have when it comes to ranking units.
"I have come that you may have life, and life to the max"
by UNFNOLE on Sep 16, 2009 12:51 PM EDT up reply actions 0 recs
Are the opposing defense/offenses numbers based on their ranking prior to the game? After the game? Only for this season?
by R.J. Anderson on Sep 16, 2009 12:53 PM EDT up reply actions 0 recs
The problem is
its circular. If a team that is a good offense faces a bad defense, the numbers adjust, but it would infalte the D ranking (since they are playing a good O) and so on.
Excel would call this “circular logic error, would you like to auto correct?”
www.bucem.com - SBNation's source for all things Buccaneer
by Buc Wild on Sep 16, 2009 1:08 PM EDT up reply actions 0 recs
First week is a crap-shoot.
The longer the season goes on the more accurate the numbers get as their is a much larger sample size.
FootballOutsiders has some great statistical minds.
"I have come that you may have life, and life to the max"
by UNFNOLE on Sep 16, 2009 1:52 PM EDT up reply actions 0 recs
these are so comlicated
im guessing since it is the first game of the season the numbers dont reflect how good of an offense dallas has. im trying to read how they configure these stats but its like a 5,000 word essay. baseball is a paragraph explaining why they use this certain formula and then bam theres the formula right there. i dont see any where on how these numbers are computed.
by Hook85 on Sep 18, 2009 12:55 AM EDT up reply actions 0 recs
Did you look at the article?
im guessing since it is the first game of the season the numbers dont reflect how good of an offense dallas has
One week is a small sample size but Dallas has the #1 offense based on DVOA, so I’d say it does reflect how good of an offense Dallas has. (or how of a defense they played). Can’t get much better than being ranked first.
www.bucem.com - SBNation's source for all things Buccaneer
by Buc Wild on Sep 18, 2009 8:15 AM EDT up reply actions 0 recs
no actually it doesnt
the bucs def wouldnt of been last if the dallas off was computed into it.
by Hook85 on Sep 21, 2009 9:51 PM EDT up reply actions 0 recs
I think after
after mistakes are righted (hopefully) you’ll see a better defensive unit this year, not great, but better.
"Put it on Film" (not on the glass)
by chiefs_55 on Sep 16, 2009 12:48 PM EDT reply actions 0 recs
What surprises me is the 11.9% on Special Teams
last year the Bucs ended the season with a -.3%. I asked the guys at FO that question in that interview I had with them, and our coverage units are sub par. Remember, we had a Pro Bowl return guy and we still finished with a worse than average DVOA.
Maybe we need to look at philosophy and coaching on special teams.
www.bucem.com - SBNation's source for all things Buccaneer
by Buc Wild on Sep 16, 2009 1:14 PM EDT reply actions 0 recs
Gosh.
And this is with perceived ST aces like Stovall around?
by R.J. Anderson on Sep 16, 2009 1:21 PM EDT up reply actions 0 recs
Right, but it may not come down to him
Factors like hang time (all vs avg), distance, yards per return, blocks, penalties etc all matter. Stovall has been fine, but how is the other gunner doing? More variables than I care to dig into.
www.bucem.com - SBNation's source for all things Buccaneer
by Buc Wild on Sep 16, 2009 1:32 PM EDT up reply actions 0 recs
Right.
Does any place record average hangtime?
by R.J. Anderson on Sep 16, 2009 1:47 PM EDT up reply actions 0 recs
It's something to keep an eye on
in the next few games. Evaluating the positions and abilities as opposed to the scheme.
I actually thought Torrie Cox played well on Kick Coverage last Sunday. I think he had 2 tackles, or at least forced the second one.
"I have come that you may have life, and life to the max"
by UNFNOLE on Sep 16, 2009 1:57 PM EDT up reply actions 0 recs
I honestly thought Basiaccia
would continue to improve the return-game, especially now that it is his sole focus. Maybe he is more of a position coach (RB’s) who just happened to be able to take the responsibility on. It could certainly be worth looking at other options at STC.
"I have come that you may have life, and life to the max"
by UNFNOLE on Sep 16, 2009 1:55 PM EDT up reply actions 0 recs
Let's not go burying the special teams yet.
Clifton Smith was Pro Bowl quality last year and had an AWFUL game against the Cowboys. We also had a blocked field goal – I wouldn’t call it random variance, but that’s not going to happen every week. Terrible play by Stevens – you always take the inside man.
by Suttree on Sep 16, 2009 2:20 PM EDT up reply actions 0 recs
Stats
Thanks for the stats; very interesting, and they do line up with what we saw.
by ftballfan on Sep 17, 2009 1:09 PM EDT reply actions 0 recs

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