There was some debate in another thread as to what the actual impact is of time of possession and controlling the clock thus limiting the number of plays the other offense has.
There was also some debate as to whether this defense is improved, and if so, that the improvement is more of a reason as to why we are top 10 in time of possession vs the offense controlling the clock.
So I looked at some stats, per play stats for the defense. Total yardage, points, first downs etc are really meaning less. You need to compare play to play.
But to really demonstrate this point I will list our rankings for Totals:
Total 1st Downs: 1
Total 3rd Downs: 6
Total Points: 10
Total Yards: 14
Looks awesome right? Pretty dominant, top 10 kind of defense. But not so fast.
We are also leading the league in Defensive Plays per game. (56.7) Let's see how we look at a play per play basis:
1st Downs per play:10
3rd Downs per play:19
Points per play:18
Yards per play:27
Not so hot anymore. Let's also throw in 18th for 3rd Down Conversion %. Do these numbers really support the idea that the defense is getting a lot of 3 and outs? Stopping the offense? And speaking of opposing offenses, aside from New Orleans and Seattle ( 7 and 8 respectively) the other 5 opponents are as follows:
NY: 15
San Fran: 21
St Louis: 23
Houston: 24
Tennessee: 29
Now let's compare our offense and defense to that of Philly, because Philly is a fast past offense and we will be playing them soon. Philly is ranked 31st in TOP, we are ranked 2nd. Philly is ranked 3rd in number of plays, we are ranked 7th. Philly averages 22.82 seconds per play (32nd), we average 30.80 (1st).
Philly's defense is also ranked 31st in Defensive Plays per game. 15.1 more plays per game than Dallas.
What would our defense look like from a Totals perspective if they had to be on the field 15.1 more plays a game?
Total 1st Downs: 25
Total 3rd Downs: 19
Total Points: 27
Total Yards: 32
Looks very much like last year.
What's saving us is that we are running the ball. We are #1 in the league in rushing attempts per game (33.6) That's up from only 21 attempts per game last year. We are up on number of offensive plays per game 65.9 compared to 59.8. We average 30.8 seconds per play, up from 29.11. We are controlling the ball 4 minutes and 40 seconds longer this year than last year.
So yes, the running game is helping the defense, very much in fact. And no, the defense is not really much better than last year and should still be a big concern, especially come playoff time.
Remember, the thread title is "Running game is why the defense looks better."
It's already been shown that about 25% of the drop in points allowed is due to the offense's increase in TOP. That's what guys like Jimmy and Mooch are talking about when they say the offense is helping the defense. They're right, it is. But it's only a small part of "why the defense looks better." Most of it is simply the fact that the defense is playing better. The drive stats show this. They also show that there is no correlation between having a top 10 offense in TOP and a top 10 defense in points allowed.
Some further proof that the defense is largely making its own way so far. If we're benefiting disproportionately from being "fresher" (because of the offense's increased TOP), then it stands to reason that our true colors would show in the first half of the game, when all defenses are still fresh. Without the advantage of being any fresher than the others, we should be exposed as a bad defense right there in the first half. The freshness factor should then kick in some time late in the 3rd quarter, and by the 4th quarter our "league's freshest" defense should be playing much better compared to the others. But that's not happening.
1st half defense
35 drives, 52 points 1.49 pts/drive
drives ending in scores: 23% (2nd)
yards per drive: 24.8 (4th)
drives ending in punts: 51% (7th)
average drive start: 27-yard line (19th)
offense: 128 passes 116 runs
2nd half defense
38 drives, 74 points 1.95 pts/drive
drives ending in scores: 37% (17th)
yards per drive: 37.1 (25th)
drives ending in punts: 26% (27th)
average drive start: 26-yard line (12th)
offense: 98 passes 119 runs
Even with better starting field position from the defense's point of view, and even with the offense running the ball more, the defense's rankings drop considerably in the 2nd half of the game.
If we aren't making up lost ground on tired defenses in the 2nd half to make the D look better than it is, than when is it supposedly happening?