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Topic: Best P5 Rush Defenses since 2000

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OrangeAfroMan

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Best P5 Rush Defenses since 2000
« on: October 18, 2021, 01:40:16 AM »
Just clicking around the college football internets.  I was wondering about the average of great run defenses in this newish world of read-option football.  Here's some stuff I found:
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I was just looking at the top few P5 rush defenses, so I set the cutoff at 90 ypg allowed.
At this cutoff, the per-year range varies from zero (2017) to ten (2006).
There are definitely fewer elite rush defense teams recently, as there are 0-2 teams below 90 ypg allowed in each of the past seven years (only 5 in the past 5 years). 
The average earlier in the century are 5-6 per year, with individual seasons of 10, 7, and 6.
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Here's the best of the past 21 years:
ypg allowed:  year team
43:  2006 Michigan
59:  2006 Texas
60:  2003 USC
62:  2003 Ohio St
63:  2016 Alabama
66:  2006 Miami
67:  2003 LSU
68:  2007 Boston College
69:  2004 Florida St
70:  2002 Kansas St, 2019 Utah
72:  2009 Texas, 2011 Alabama, 2020 Georgia, 2001 VA Tech
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I'll stop here and note that 2011 Alabama had the 12th-best rush D of the new century AND probably the best pass defense ever.  That's nuts.
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Another note is TCU.  They're among the leaders sprinkled through the years, but weren't P5 yet.  However, in 2008, they allowed only 49 ypg rushing, which is special. 
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FearlessF

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Re: Best P5 Rush Defenses since 2000
« Reply #1 on: October 19, 2021, 11:28:12 AM »
May be an image of book and text that says 'Pamphiet collectian THE PREVENTION AND CORRECTION CHNGRESS GRESS LIBRARY OF DUPLICAT LEFT-HANDEDNESS IN CHILDREN J. W. CONWAY'
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ELA

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Re: Best P5 Rush Defenses since 2000
« Reply #2 on: October 19, 2021, 11:57:08 AM »
What about adding in ypc?
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OrangeAfroMan

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Re: Best P5 Rush Defenses since 2000
« Reply #3 on: October 19, 2021, 07:41:59 PM »
03 USC eeks out ahead of 06 UM, 1.8 ypc to 1.9.
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Cincydawg

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Re: Best P5 Rush Defenses since 2000
« Reply #4 on: October 20, 2021, 06:59:04 AM »
I see UGA thus far is at 62.3 and Wisconsin is at 64.3,

San Diego is at 61.3, but not P5 of course.

This is the best UGA D I've ever seen, good depth, the secondary is young and the weakest spot.
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rolltidefan

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Re: Best P5 Rush Defenses since 2000
« Reply #5 on: October 20, 2021, 04:59:22 PM »
Quote from: ELA on October 19, 2021, 11:57:08 AM
What about adding in ypc?
i'm curious about td's given up as a whole and on a pts/game basis. 2019 uga just missed cut at 74.64 yd/game, but gave up fewer tds than all other teams after 09 (as far back as cfbstats.com goes). several other teams have really low tds as well.
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OrangeAfroMan

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Re: Best P5 Rush Defenses since 2000
« Reply #6 on: October 20, 2021, 09:26:55 PM »
I printed out all that data from the NCAA website, at least most of the 90s'.  
Any season with single-digit rushing TDs allowed is sick.
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Cincydawg

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Re: Best P5 Rush Defenses since 2000
« Reply #7 on: October 21, 2021, 08:51:42 AM »
One way to have a statistically good rush defense is to get ahead quickly in every game and make the opponent try and catch up.

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FearlessF

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Re: Best P5 Rush Defenses since 2000
« Reply #8 on: October 21, 2021, 09:14:45 AM »
and/or have a horrible pass defense
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rolltidefan

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Re: Best P5 Rush Defenses since 2000
« Reply #9 on: October 21, 2021, 10:48:04 AM »
Quote from: FearlessF on October 21, 2021, 09:14:45 AM
and/or have a horrible pass defense
or be 2011 bama. most scores ended up dominant, but there were only 3 games we were up by more than 2 scores at halftime, 2 cupcakes and auburn. 7 were 10 points or less. that bama team literally wore you down until you couldn't compete anymore.
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medinabuckeye1

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Re: Best P5 Rush Defenses since 2000
« Reply #10 on: October 21, 2021, 11:23:00 AM »
Quote from: OrangeAfroMan on October 19, 2021, 07:41:59 PM
03 USC eeks out ahead of 06 UM, 1.8 ypc to 1.9.
Just doing the math here, if 03 USC's opponents were only getting 1.8 ypc and had 60 ypg, they were running about 33 times per game.  It just seems insane to me to bash your head against a brick wall 30+ times per game.  

06 Michigan's opponents, on the other hand, seem to have figured it out more.  They were getting 1.9 ypc and 43 ypg which works out to about 23 rushes per game.  

It may be that sacks counting as negative rushes play a role in this.
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OrangeAfroMan

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Re: Best P5 Rush Defenses since 2000
« Reply #11 on: October 21, 2021, 07:15:03 PM »
Quote from: medinabuckeye1 on October 21, 2021, 11:23:00 AM
Just doing the math here, if 03 USC's opponents were only getting 1.8 ypc and had 60 ypg, they were running about 33 times per game.  It just seems insane to me to bash your head against a brick wall 30+ times per game. 

06 Michigan's opponents, on the other hand, seem to have figured it out more.  They were getting 1.9 ypc and 43 ypg which works out to about 23 rushes per game. 

It may be that sacks counting as negative rushes play a role in this.
Yes, sacks factor in.

BUT to defend the USC opponents.....defenses want to make you one-dimensional.  If you stop running the ball, they've done that.  So while you certainly have to pick when you run carefully, and even if they shut it down, it does make sense to keep calling running plays as an OC.  

Of course, that assumes the game is relavitely close/competitive and that you're able to pass the ball with some sort of utility.  
But abandoning the run is what they want you to do....so you shouldn't do it.
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betarhoalphadelta

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Re: Best P5 Rush Defenses since 2000
« Reply #12 on: October 21, 2021, 07:24:31 PM »
Quote from: OrangeAfroMan on October 21, 2021, 07:15:03 PM
But abandoning the run is what they want you to do....so you shouldn't do it.
Back in the Joe Tiller Purdue days he'd talk about passing to set up the run, sorta the opposite of the CW at the time.

If a team is forcing you to abandon the run, it should mean that their defense is exploitable through the air. If they then adjust their defense to defend the pass, they should be exploitable on the ground...

...of course that's if they're not just WAY better than you on all levels. Which happens in college football ALL THE DAMN TIME due to significant talent differentials between squads.

I.e. if a team can defend your running and game AND passing game in base, well then you're f^$&@d. 
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medinabuckeye1

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Re: Best P5 Rush Defenses since 2000
« Reply #13 on: October 22, 2021, 11:06:44 AM »
Quote from: betarhoalphadelta on October 21, 2021, 07:24:31 PM
Back in the Joe Tiller Purdue days he'd talk about passing to set up the run, sorta the opposite of the CW at the time.

If a team is forcing you to abandon the run, it should mean that their defense is exploitable through the air. If they then adjust their defense to defend the pass, they should be exploitable on the ground...

...of course that's if they're not just WAY better than you on all levels. Which happens in college football ALL THE DAMN TIME due to significant talent differentials between squads.

I.e. if a team can defend your running and game AND passing game in base, well then you're f^$&@d.
This is all true but when you are looking at strengths and weaknesses, those are relative terms.  If I'm the OC at Ohio State and we are playing some hopeless MAC school we could probably beat them by passing every down or by running every down but I'd still want to know which they are relatively worse at defending.  

Conversely, if I were the OC at the hopeless MAC school playing Ohio State I'm realistically going to lose no matter what I do but I'd still want to know whether I'm like to have more success running or passing.  
Quote from: OrangeAfroMan on October 21, 2021, 07:15:03 PM
Yes, sacks factor in.

BUT to defend the USC opponents.....defenses want to make you one-dimensional.  If you stop running the ball, they've done that.  So while you certainly have to pick when you run carefully, and even if they shut it down, it does make sense to keep calling running plays as an OC. 

Of course, that assumes the game is relavitely close/competitive and that you're able to pass the ball with some sort of utility. 
But abandoning the run is what they want you to do....so you shouldn't do it.
I agree to an extent, but not completely.  It is to your advantage to take with the defense gives you.  If they want to stack nine guys in the box every down to force you to pass then ok, PASS!  
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