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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
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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
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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.
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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
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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.
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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.
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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.
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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.
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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.
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Game Film Review
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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.
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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.
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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).
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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)
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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.
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Tight Rip 26 Seal Right
Counter Side Symmetrical backfield Power side
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Shift Rip 26 Seal
Counter Side Asymmetrical backfield Power side
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3 On the Edge
123
12
3
SHIFT RIP
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4 & 2 on Edge
12
3
4 5
2
1
SHIFT RIP
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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)
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Applying Stress to the Perimeter
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!
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Applying Stress to the Perimeter
• 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).
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Applying Stress to the Perimeter
• 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
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Edge Tags
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BSWB, QB, BB, PSWB
OVER
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BSWB, QB, BB, PSWB
Nasty
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BSWB, QB, BB, PSWB
Loose
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BSWB, QB, BB, PSWB
Flanker
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BSWB, QB, BB, PSWB
Split
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BSWB, QB, BB, PSWB
Trips
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BSWB, QB, BB, PSWB
Bunch
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BSWB, QB, PSWB, BB
Bolt
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Backfield Alignments
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BSWB, QB, BB, PSWB
Tight
Formation tag
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BSWB, QB, BB, PSWB
Stack
Formation tag
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BSWB, QB, BB, PSWB
Pro
Formation tag
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BSWB, QB, BB, PSWB
Wish
Formation tag
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BSWB, QB, BB, PSWB
Bear
Formation tag
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BSWB, QB, BB, PSWB
Bull
Formation tag
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PSWB, QB, BSWB, BB
Bison
Formation tag
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BSWB, QB, BB, PSWB
Shift
Formation tag
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BB, QB, BSWB, PSWB
Star
Formation tag
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BB, QB, BSWB, PSWB
Comet
Formation tag
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BSWB, QB, BB, PSWB
Nova
Formation tag
ff
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QB, BSWB, BB, PSWB
Buffalo
Formation tag
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Game Film Review
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Game Film Review
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