YDW Perimeter Triangle

8/4/2019 YDW Perimeter Triangle

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Perimeter Triangle for the

Youth Double Wing:

Power Side

Jack Gregory© 2011

All Rights Reserved



Introducing the Perimeter Triangle

• The “perimeter triangle” is a term I started using to describe thethree most common players defending the perimeter - typically incontain, force and alley

• Every defense must have these three assignments covered or riskthe possibility of having the exposed perimeter exploited by the

offense.• The perimeter triangle is typically manned by the:

– defensive end (DE),

– cornerback (CB)

– outside linebacker (OLB). (sometimes a Safety)

• I wanted a simple method of determining what these defenderswere doing on the perimeter as this would determine how I wouldattack the defense from play to play.

• Power Side and Counter (back) Side



Topics of Discussion

• develop an understanding of the function of theperimeter triangle in the defense,

• develop an ability to read the perimeter triangle

as a means of deciphering the defensive scheme,• develop an ability to optimize play calling based

on the perimeter triangle read, and

• develop an ability to use formations, motions,and play-calling to manipulate the perimetertriangle and expose vulnerabilities in thedefense.



Introducing the Perimeter Triangle

Perimeter Triangle – The defensive end, cornerback, and outside linebacker

typically comprise an entity that I define as the Perimeter Triangle.

Outside hip of OT



Why Use The Perimeter Triangle

• I wanted a simple method of determining what these defenderswere doing on the perimeter as this would determine how I wouldattack the defense. Remember our base play is POWER!

• It is very important that the offensive coordinator be able to quicklyadapt to the defense, to attack and counterattack.

• Often as youth coaches we need to be able to do it from thesideline as we are not likely to have scouting assistance from anelevated position. This is specifically why I developed the concept of the perimeter triangle.

• Helps to quickly identify a neutral, heavy or light perimeter so thatyou immediately know how to attack that side.

• In developing an understanding of the perimeter triangle, one caneffectively read the defense and make informed play callingdecisions that have the highest likelihood of success.



2-3-4 Rule

• 2 or less defenders outside of OT: ATTACK PERIMETER

• 3 defenders outside of OT: ATTACK EDGE

• 4 or more defenders outside of OT: ATTACK INSIDE

or AWAY or PASS (safety filling)

• If 4 locate where they came from: safety support?,

shifted backers?, shifted line?, cowboy corner?

• Count perimeters, locate safety(s), gives you thedefenders remaining that are protecting the interior.



Elements of the Perimeter Triangle

• Contain – This is the defender who has the job of keepingthe ball inside and/or behind the line of scrimmage. Hemust keep the ball on his inside shoulder and not allow it toget past him at any time.

•Force – The force defender’s job is to turn the ball backinside (squeeze) or deep outside and towards the line of scrimmage (spill).

• Alley – This responsibility may be assumed by an interiorlinebacker, or possibly a safety playing near the LOS and the

perimeter; but it is more than likely the responsibility of anoutside linebacker. The alley defender’s main role on theperimeter is to maintain a mirrored relationship with theball.



Variations in the Elements

Three basic defensive perimeter schemes:

– Spill: Force defender inside of Contain defender.

More aggressive (attack) scheme.

– Squeeze: Contain defender inside of Force

defender. More of a read and contain scheme.

– Box: Contain defender inside of Force defender.

Contain works vertically up field to seal off sweep.More of a contain and read scheme.



Know The Perimeter Scheme

• Most youth teams play a squeeze perimeter or

a box scheme. (CONTAIN/FORCE).

– This means they are often neutral (3) or heavy (4);

due to line shift or secondary run support.

• Aggressive DE play (crash, pinch, hunt) are

playing a spill scheme. (FORCE/CONTAIN)

– This means they are often light (2) or neutral (3);due to line shift or secondary run support.



Game Film Review



Understanding the Perimeter Triangle

• Regardless of the defensive alignment, every legitimatedefense has a ‘contain’, ‘force’, and ‘alley' defender oneach side of the ball. The arrangement of thosedefenders often determines how the defense will play

the perimeter, edge and pass.• There are occasions when defenses will swap these

players around such that the defensive end is the forceplayer and the corner is the contain player; oralternatively, the outside linebacker will swap with the

defensive end, etc.• Regardless of the scheme, these three elements are

always in place – contain, force and alley.



Understanding the Points of Attack

LWB (20) QB (10)/BB (30) RWB (40)

Interior EdgeEdgePerimeter Perimeter

‘Perimeter’ extends from the outside hip of the tight end (or EMLOS) to the sideline. Any play that we

use that aims for the outside hip of the tight end (EMLOS) will be a ‘perimeter’ play.

The ‘edge’, which is the primary point of attack for this offense, extends from the outside hip of the

guard to the outside hip of the tight end.

Anything within the inside hip of the guard is considered an ‘interior’ play.

That is really all you need to know about how we target the attack of the defense on each side, as faras the running game goes.



Understanding the Points of Attack

Cont’d

Interior EdgeEdgePerimeter Perimeter

Vertical Out Vertical Middle Vertical Out

Most common point of attack is the perimeter (also called the flat)

Followed by the vertical outs (from the outside hip of the tight end to the boundary)

Vertical middle (from the inside of the tight end’s outside hip on each side).



Reading The Perimeter Triangle

• Power side: power/power sweep/power pass is being ran to. – WB/QB SEAL (power)

– WB WIDE/MS (power sweep)

– Power Pass (WB PP) (power pass)

• Counter side (backside): side counter/counter trap/reverse

(backside audibles) being ran to. – WB KICK

– WB WIDE REVERSE

• Interior: wedge and counter trap – BB/QB WEDGE

– BB KICK• Initially: Pre-snap read (basic read)

• Developing: Post-snap read (advance read)



Reading the Perimeter Triangle

Cont’d

• The concept of the perimeter triangle provides a foundation

wherein we can read each side of the defense and resolve

play calling decisions based on how many players are in the

respective perimeter triangles.

• You really don’t need to know specifically who is playing what

technique. All you really need to do is simply count the

defenders that are in the perimeter pre-snap and eventually

post-snap.



Tight Rip 26 Seal Right

Counter Side Symmetrical backfield Power side



Shift Rip 26 Seal

Counter Side Asymmetrical backfield Power side



3 On the Edge

123

12

3

SHIFT RIP



4 & 2 on Edge

12

3

4 5

2

1

SHIFT RIP



Applying Stress to the Perimeter

Triangle• It is not sound to sit in one formation and expect the defense to not adapt

to your method of play calling and play execution.

• Human beings are creatures of adaption and athletes are the bestexample of creatures of instantaneous adaption.

• Edge tags are a very simple away of changing the perimeter appearance of a formation while the base play structure stays sound. (pre-snap)

• Formation tags are another simple method of changing the backfieldappearance so that a formation is no longer symmetrical (tight) and it

offers a LOF (line of force) advantage to the offense and specifically theplay. (pre-snap)

• Play tags are a final example of placing post-snap stress on a perimeter bymovement. (post-snap)




Triangle Cont’d

• There a two ways to attack a perimeter triangle.

• First is to isolate the perimeter triangle away from theinterior defenders. The use of ON, OVER, and NASTYedge tags is a great way of accomplishing this pre-snap.

• Second is to expand the triangle so that you isolate thedefenders within the perimeter triangle away from eachother. The use of SPLIT, FLANKER, NASTY, LOOSE, TRIPS,and BUNCH edge tags is a great way of accomplishingthis pre-snap.

• The 1st level defender is always the primary defender wemust account for. If we don’t open the 1st level the playwill not work!




• Edge Tags: the means to remove defenders – OVER: BST over, unbalanced line, overloaded TKO wall.

– NASTY: WB & TE exchange positions. Extends DE out orplaces him inside of TE.

– LOOSE: WB and TE become SLOT and SE. Removes the CBand OLB from the edge.

– SPLIT: TE becomes SE removes CB.

– FLANK: WB becomes FLANKER removes CB.

– TRIPS: TE becomes SE, PSWB becomes outside slot, BSWB

becomes inside slot. – BUNCH: TE becomes SE (#2/middle receiver), PSWB

becomes outside bunch slot (#1). BSWB becomes insidebunch slot (#3).




• Backfield Alignments

– TIGHT: classic DW – never actually call it.

– STACK: stack I, BB-BSWB-PSWB

– PRO: pro set, PSWB, and BB on play side in front of BB – WISH: wishbone: BSWB-BB-PSWB

– BEAR/BULL: strong I, BB offset, WB, BSWB at I.

– SHIFT: direct snap

– STAR: direct snap (double WB) – NOVA: direct snap (variation of Hugh Wyatt Wild Cat)

– COMET: direct snap Yale/Beast



Edge Tags



BSWB, QB, BB, PSWB

OVER



BSWB, QB, BB, PSWB

Nasty



BSWB, QB, BB, PSWB

Loose



BSWB, QB, BB, PSWB

Flanker



BSWB, QB, BB, PSWB

Split



BSWB, QB, BB, PSWB

Trips



BSWB, QB, BB, PSWB

Bunch



BSWB, QB, PSWB, BB

Bolt



Backfield Alignments



BSWB, QB, BB, PSWB

Tight

Formation tag



BSWB, QB, BB, PSWB

Stack

Formation tag



BSWB, QB, BB, PSWB

Pro

Formation tag



BSWB, QB, BB, PSWB

Wish

Formation tag



BSWB, QB, BB, PSWB

Bear

Formation tag



BSWB, QB, BB, PSWB

Bull

Formation tag



PSWB, QB, BSWB, BB

Bison

Formation tag



BSWB, QB, BB, PSWB

Shift

Formation tag



BB, QB, BSWB, PSWB

Star

Formation tag



BB, QB, BSWB, PSWB

Comet

Formation tag



BSWB, QB, BB, PSWB

Nova

Formation tag

ff



QB, BSWB, BB, PSWB

Buffalo

Formation tag



Game Film Review



Questions/Comments?

YDW Perimeter Triangle

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