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When do you like the under front?  

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coacho
(@coacho)
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Joined: 10 years ago
Posts: 659
December 15, 2016 9:29 am  

Sure! Depending on the opponent's formations and schemes we can:

Give the Under look
5-3 look - moving the nose head-up on the center and play games with the backside DT and DE.
6-5 look - Nose and DT in the A Gaps and stacking the DE's on the OT. When we do this we play an in out game with the DE's and
              stack LB'ers
5-2 look - We slide the nose head-up on the OG, backside DT head-up on the OG and the DE is in a 5 tech and double gapping to the
              B Gap. Then we will angle to or away from the call.

We will also stem or slide the whole front Left or Right.

We invest 20-30 minutes recognizing, stemming and aligning our defense schemes.

Hope this answered your question.


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Test Account
(@test-account)
Kryptonite
Joined: 8 years ago
Posts: 13421
December 15, 2016 9:48 am  

Sure! Depending on the opponent's formations and schemes we can:

Give the Under look
5-3 look - moving the nose head-up on the center and play games with the backside DT and DE.
6-5 look - Nose and DT in the A Gaps and stacking the DE's on the OT. When we do this we play an in out game with the DE's and
              stack LB'ers
5-2 look - We slide the nose head-up on the OG, backside DT head-up on the OG and the DE is in a 5 tech and double gapping to the
              B Gap. Then we will angle to or away from the call.

We will also stem or slide the whole front Left or Right.

We invest 20-30 minutes recognizing, stemming and aligning our defense schemes.

Hope this answered your question.

Great stuff! Thank you!!!

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coacho
(@coacho)
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December 15, 2016 2:01 pm  

Coach,

On this video clip we stem from the Over to a 6-5 and play the In and Out game with the stacked DE's and LB'ers!


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blockandtackle
(@coacharnold)
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Joined: 8 years ago
Posts: 847
December 17, 2016 7:30 am  

The question is in the title. I am hoping to get a bunch of different reason for the under front.

The classic reasons were

1.) To remove a bubble from the front against 2 back offenses.
2.) To protect your WLB to flow over to the strong side and get the numbers there.
3.) To put your best DT (your 3 tech) in a one on one matchup with the G.
4.) To put your best DT in position to chase a pulling BSG across to the strong side of the formation on Power or Trap.

With what we do (4-2-5) the only real difference between the two is where we set the 3 tech.  Our DE is in a 6 vs. a TE, anyway, though we have a separate call to put him in a 5 and the Sam in a 9.

For us, we usually set the 3 tech weak in our "Under" against zone read teams a lot to help us scrape exchange with the DE and LB.  The 3 tech will eat up the T's release to the WLB, cleaning it up for the LB to scrape outside on QB.

We also like to set the 3 tech away from Trips so our ILB on the trips side can cheat to a 40 or 50 tech and wall off #3 in trips while still playing B gap.


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Kryptonite
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December 17, 2016 8:12 am  

The classic reasons were

1.) To remove a bubble from the front against 2 back offenses.
2.) To protect your WLB to flow over to the strong side and get the numbers there.
3.) To put your best DT (your 3 tech) in a one on one matchup with the G.
4.) To put your best DT in position to chase a pulling BSG across to the strong side of the formation on Power or Trap.

With what we do (4-2-5) the only real difference between the two is where we set the 3 tech.  Our DE is in a 6 vs. a TE, anyway, though we have a separate call to put him in a 5 and the Sam in a 9.

For us, we usually set the 3 tech weak in our "Under" against zone read teams a lot to help us scrape exchange with the DE and LB.  The 3 tech will eat up the T's release to the WLB, cleaning it up for the LB to scrape outside on QB.

We also like to set the 3 tech away from Trips so our ILB on the trips side can cheat to a 40 or 50 tech and wall off #3 in trips while still playing B gap.

Good stuff! Thanks

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Test Account
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Kryptonite
Joined: 8 years ago
Posts: 13421
December 17, 2016 11:08 am  

The classic reasons were

1.) To remove a bubble from the front against 2 back offenses.
2.) To protect your WLB to flow over to the strong side and get the numbers there.
3.) To put your best DT (your 3 tech) in a one on one matchup with the G.
4.) To put your best DT in position to chase a pulling BSG across to the strong side of the formation on Power or Trap.

With what we do (4-2-5) the only real difference between the two is where we set the 3 tech.  Our DE is in a 6 vs. a TE, anyway, though we have a separate call to put him in a 5 and the Sam in a 9.

For us, we usually set the 3 tech weak in our "Under" against zone read teams a lot to help us scrape exchange with the DE and LB.  The 3 tech will eat up the T's release to the WLB, cleaning it up for the LB to scrape outside on QB.

We also like to set the 3 tech away from Trips so our ILB on the trips side can cheat to a 40 or 50 tech and wall off #3 in trips while still playing B gap.

how do you get a three technique to eat up tackles release?

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blockandtackle
(@coacharnold)
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December 17, 2016 9:23 pm  

how do you get a three technique to eat up tackles release?

The tackle will release through play side B gap on zone read and block whatever's there.

The 3 tech is in B gap.

Therefore he absorbs the T's block.


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defensewins
(@defensewins)
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December 22, 2016 8:08 am  

The first reason that comes to mind for "why the under front" would be to take away a wing t team's bucksweep.  The center is responsible for playside A gap and the playside G is pulling playside, which leaves the center 1 on 1 with no help on the shade/NG playside.  Also, the weak side bubble is tighter for the offense to run iso (or the OL have to cross block it). 


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defensewins
(@defensewins)
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December 22, 2016 8:15 am  

The tackle will release through play side B gap on zone read and block whatever's there.

The 3 tech is in B gap.

Therefore he absorbs the T's block.

Which is great for teams that have wider/traditional IZ tracks (PSG or wider).  Teams that have a tighter IZ track (crack of the center) have the BSG slam back into the three tech, giving the offense two great combos on IZ to the 1/5 side. 

***note, this is not "under" specific, but will be the case for any front where the offense is running IZ away from the 3 tech...just like many option offenses will check at the line the play...midline vs a 3 tech and ISV to the 1/5 side...many IZ teams will check the run to the direction they want to...Additionally, there are not very many teams that have that tight of a track for IZ (I just happen to coach on one). 


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blockandtackle
(@coacharnold)
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December 22, 2016 9:16 am  

Which is great for teams that have wider/traditional IZ tracks (PSG or wider).  Teams that have a tighter IZ track (crack of the center) have the BSG slam back into the three tech, giving the offense two great combos on IZ to the 1/5 side. 

***note, this is not "under" specific, but will be the case for any front where the offense is running IZ away from the 3 tech...just like many option offenses will check at the line the play...midline vs a 3 tech and ISV to the 1/5 side...many IZ teams will check the run to the direction they want to...Additionally, there are not very many teams that have that tight of a track for IZ (I just happen to coach on one).

OK, so you're doubling the 3 tech with the BSG, which leaves both the DE and BSLB unblocked and leaves a nice lane for that BSLB to run through and kill the zone in the backfield.

If that's what we're seeing, we may adjust things to tell the DE to play QB and LB to play dive instead of scrape exchanging.

We actually have run IZ on that tight a track before.  It works ok, but you don't get as clean a read for the RB and it pretty much just turns into a wedge.


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defensewins
(@defensewins)
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Joined: 11 years ago
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January 12, 2017 12:44 pm  

OK, so you're doubling the 3 tech with the BSG, which leaves both the DE and BSLB unblocked and leaves a nice lane for that BSLB to run through and kill the zone in the backfield.

If that's what we're seeing, we may adjust things to tell the DE to play QB and LB to play dive instead of scrape exchanging.

We actually have run IZ on that tight a track before.  It works ok, but you don't get as clean a read for the RB and it pretty much just turns into a wedge.

I understand what you're saying, but the BSLB doesn't run through...BSG has eyes on the BSLB and comes off on him at the appropriate time.  In the meantime, the BSG and BST have gotten some displacement on the BS 3 tech.  The BSDE is put in a bind...he can either get up the field to play the QB, which allows a cutback lane for the back OR the BSDE can squeeze leaving the QB plenty of room to move the chains. 

Out of 10 PSN, scrape exchange is actually the best option to take away our IZ...it forces a pull/QB keep read and puts a LB in a great space and time to tackle the QB.  We have answers to make the scrape exchange play in our favor as well, but as far as taking away only our IZ out of 10 PSN, scrape exchange would be the best way. 


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CoachCraig
(@ch72)
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Joined: 10 years ago
Posts: 1068
February 8, 2017 8:18 am  

I like to shift into an under front vs. most any 1 TE set

"Whether you think you can, or cannot, you're probably right."


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