Sturm - The Christian Parker Defensive Shift Is Underway

Sturm had come up with a terrific piece.

I say it all the time, but he’s hands down the most knowledgeable sports journalists in DFW.

It’s a subscription service but I believe first article is free and a little taste here helps us and him, I’m sure.

If you want to really get ready for this new defense, this is about as close to a guide as you’re going to get.


Luckily, we have been taking notes since he was hired, on what Denver, Philadelphia, Miami, and other 2-high Fangio defenses have done to get clues on how Parker will do it. We fully expect he will wander off in his own directions, but since 2021, the 34 year old has served those five seasons under the following bosses:


2021 - Vic Fangio, Denver
2022 - Ejiro Evero, Denver
2023 - Vance Joseph, Denver
2024 - Vic Fangio, Philadelphia
2025 - Vic Fangio, Philadelphia

He then breaks down the Fangio coaching tree and spends many, many pages detailing the 34 defense, two-high shells, and why the new incarnations of them are a reactions to McVay/Shanahan, who basically broke the NFL almost a decade ago .

Cody Alexander is a contributor and has this to say about safeties in this defense

The term “hybrid” will be used at volume from now until the season. Parker is looking for “add-value” players that can play multiple spots, which is needed if you are going to base in Nickel. In some of his interviews, Parker has mentioned he doesn’t want a traditional Slot CB, which has been the norm in Dallas; he wants a Nickel Safety or “tweener” who can play in zone coverage and survive near the box. Currently, on the roster, Markquese Bell fits that mold (and has experience playing LB).

Nickel is Base
Again, there is a long ways to go, but the theme here is that “nickel is base” because as we know, there is no 4-3 or 3-4 defense here. Or, if there is, it is 20% of the recipe. The other 80% is nickel. And if you are in nickel (5 DBs), then there are only six defenders left.

That means you can run a 4-2 or a 5-1, but that is with a nickel attached. The coverages are more zone and with a lighter box, it means your DBs must all be able to tackle – and that explains why you want three safeties on the field over three corners. One extra guy who knows how to tackle. And your corners? You must be able to tackle which is why you want dawgs out there and not passive players who want to keep their jersey clean.


https://open.substack.com/pub/bobst...arker-defensive-shift?r=1ym42z&utm_medium=ios
If Downs is a good run stopper this could work but if the RB gets past the fewer LBs and the secondary is soft , DAL will get torched on runs.

I can't remember the last time DAL could stop the run.
 
If Downs is a good run stopper this could work but if the RB gets past the fewer LBs and the secondary is soft , DAL will get torched on runs.

I can't remember the last time DAL could stop the run.
While the pass rush was abysmal all
season, they solved the run in the second half, thanks to Q.

The Quennin Williams Effect

Weeks 1–9 :
the 4th-worst run defense in the NFL. Gsve up 143 rushing yards per game

Weeks 10-17: 3rd-lowest rushing yards allowed. 105.4 yards per game

Parker is also focusing on the run first despite being a secondary coach. Everyone we’ve brought in are good against the run and solid tackles.

I’m hopeful this is the foundation for 2026
 
Gary and Q are Dawgs in the run game. If the boys can get a pass rush specialist to hit they'll be much better. And then find a drake Maye in the draft this year this team will be set.
 
Sturm had come up with a terrific piece.

I say it all the time, but he’s hands down the most knowledgeable sports journalists in DFW.

It’s a subscription service but I believe first article is free and a little taste here helps us and him, I’m sure.

If you want to really get ready for this new defense, this is about as close to a guide as you’re going to get.


Luckily, we have been taking notes since he was hired, on what Denver, Philadelphia, Miami, and other 2-high Fangio defenses have done to get clues on how Parker will do it. We fully expect he will wander off in his own directions, but since 2021, the 34 year old has served those five seasons under the following bosses:


2021 - Vic Fangio, Denver
2022 - Ejiro Evero, Denver
2023 - Vance Joseph, Denver
2024 - Vic Fangio, Philadelphia
2025 - Vic Fangio, Philadelphia

He then breaks down the Fangio coaching tree and spends many, many pages detailing the 34 defense, two-high shells, and why the new incarnations of them are a reactions to McVay/Shanahan, who basically broke the NFL almost a decade ago .

Cody Alexander is a contributor and has this to say about safeties in this defense

The term “hybrid” will be used at volume from now until the season. Parker is looking for “add-value” players that can play multiple spots, which is needed if you are going to base in Nickel. In some of his interviews, Parker has mentioned he doesn’t want a traditional Slot CB, which has been the norm in Dallas; he wants a Nickel Safety or “tweener” who can play in zone coverage and survive near the box. Currently, on the roster, Markquese Bell fits that mold (and has experience playing LB).

Nickel is Base
Again, there is a long ways to go, but the theme here is that “nickel is base” because as we know, there is no 4-3 or 3-4 defense here. Or, if there is, it is 20% of the recipe. The other 80% is nickel. And if you are in nickel (5 DBs), then there are only six defenders left.

That means you can run a 4-2 or a 5-1, but that is with a nickel attached. The coverages are more zone and with a lighter box, it means your DBs must all be able to tackle – and that explains why you want three safeties on the field over three corners. One extra guy who knows how to tackle. And your corners? You must be able to tackle which is why you want dawgs out there and not passive players who want to keep their jersey clean.


https://open.substack.com/pub/bobst...arker-defensive-shift?r=1ym42z&utm_medium=ios
reading the last few lines makes me happy we got durant and locke
 
Sturm had come up with a terrific piece.

I say it all the time, but he’s hands down the most knowledgeable sports journalists in DFW.

It’s a subscription service but I believe first article is free and a little taste here helps us and him, I’m sure.

If you want to really get ready for this new defense, this is about as close to a guide as you’re going to get.


Luckily, we have been taking notes since he was hired, on what Denver, Philadelphia, Miami, and other 2-high Fangio defenses have done to get clues on how Parker will do it. We fully expect he will wander off in his own directions, but since 2021, the 34 year old has served those five seasons under the following bosses:


2021 - Vic Fangio, Denver
2022 - Ejiro Evero, Denver
2023 - Vance Joseph, Denver
2024 - Vic Fangio, Philadelphia
2025 - Vic Fangio, Philadelphia

He then breaks down the Fangio coaching tree and spends many, many pages detailing the 34 defense, two-high shells, and why the new incarnations of them are a reactions to McVay/Shanahan, who basically broke the NFL almost a decade ago .

Cody Alexander is a contributor and has this to say about safeties in this defense

The term “hybrid” will be used at volume from now until the season. Parker is looking for “add-value” players that can play multiple spots, which is needed if you are going to base in Nickel. In some of his interviews, Parker has mentioned he doesn’t want a traditional Slot CB, which has been the norm in Dallas; he wants a Nickel Safety or “tweener” who can play in zone coverage and survive near the box. Currently, on the roster, Markquese Bell fits that mold (and has experience playing LB).

Nickel is Base
Again, there is a long ways to go, but the theme here is that “nickel is base” because as we know, there is no 4-3 or 3-4 defense here. Or, if there is, it is 20% of the recipe. The other 80% is nickel. And if you are in nickel (5 DBs), then there are only six defenders left.

That means you can run a 4-2 or a 5-1, but that is with a nickel attached. The coverages are more zone and with a lighter box, it means your DBs must all be able to tackle – and that explains why you want three safeties on the field over three corners. One extra guy who knows how to tackle. And your corners? You must be able to tackle which is why you want dawgs out there and not passive players who want to keep their jersey clean.


https://open.substack.com/pub/bobst...arker-defensive-shift?r=1ym42z&utm_medium=ios
Thank you for this … Sturm is a such a beast sports nerd this was very cool info
 
I think we are going to see a lot of 5-1-5 rather than 4-2-5 looks
there is no difference to be honest.

5-1-5 is not generally real.
It is just a 4-2-5 over.
The extra guy is an OLB.
Pretty much the standard 3-4 with 1 ILB dropped for a CB/Safety.

In our defense it might mean dropping Agent 0 or Dee Winters for Marq Bell in some pass sets.
 
If Downs is a good run stopper this could work but if the RB gets past the fewer LBs and the secondary is soft , DAL will get torched on runs.

I can't remember the last time DAL could stop the run.
That would make sense if Dallas had good tackling LB. They sure didn't last year.
DAL became solid against run the minute they added QW but the LBs were still the worst in football.

Teams now swap in really good tackling safeties for a LB. It's no longer the 5'9" shifty CB they bring on.
 
While the pass rush was abysmal all
season, they solved the run in the second half, thanks to Q.

The Quennin Williams Effect

Weeks 1–9 :
the 4th-worst run defense in the NFL. Gsve up 143 rushing yards per game

Weeks 10-17: 3rd-lowest rushing yards allowed. 105.4 yards per game

Parker is also focusing on the run first despite being a secondary coach. Everyone we’ve brought in are good against the run and solid tackles.

I’m hopeful this is the foundation for 2026
It was slightly better I guess but this is pretty misleading because it's a really small sample that doesn't account for schedule or game script, or account for the fact that the defense as a whole was still terrible.
  • YPG is pretty skewed by just the Raiders game.
  • In the first half of the season, they gave up a lot of rushing yards playing prevent against NYJ and Washington
 
The success of the defense will come down to the perenial issue of the ability to rush the passer with 4 guys. Looks like we solved the issue, at least on paper, of stopping the run. Now it remains to be seen if we have the horses up front to rush the passer. The jury is still out on some of the younger pass rushers. If Parker can get creative and design blitz packages to rush the passer then this could mitigate the lack of proven pass rushers. We'll see. On paper it doesn't look like an above average defensive unit.
 
While the pass rush was abysmal all
season, they solved the run in the second half, thanks to Q.

The Quennin Williams Effect

Weeks 1–9 :
the 4th-worst run defense in the NFL. Gsve up 143 rushing yards per game

Weeks 10-17: 3rd-lowest rushing yards allowed. 105.4 yards per game

Parker is also focusing on the run first despite being a secondary coach. Everyone we’ve brought in are good against the run and solid tackles.

I’m hopeful this is the foundation for 2026
Tangible evidence pleases me
 

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