Developing a Defense

8/9/2019 Developing a Defense

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Developing A DefenseDeveloping A Defense


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The Seven Principles of Defense.The Seven Principles of Defense. 1.1. PositionPosition -- all defenders must be in the proper alignment to carryall defenders must be in the proper alignment to carry

out assignments correctly.out assignments correctly.

2.2. Defensive blowDefensive blow -- the correct method of warding off the initialthe correct method of warding off the initial

block of an offensive lineman must be taught correctly and execublock of an offensive lineman must be taught correctly and executedtedbefore the defensive unit will hold up.before the defensive unit will hold up.

3.3. Recognize pass and reactRecognize pass and react -- never get beat deep.never get beat deep.

4.4. Reading keysReading keys -- defenders must immediately read and react to thedefenders must immediately read and react to the

established keys to tell if the play will be a run or a pass.established keys to tell if the play will be a run or a pass.

5.5. Protect your territoryProtect your territory -- each player has a certain territory that iseach player has a certain territory that is

his responsibility to protect; to be successful he must:his responsibility to protect; to be successful he must:

a. Know and understand fully what his territory is.a. Know and understand fully what his territory is.b. What techniques he must utilize to protect it.b. What techniques he must utilize to protect it.

c. The inclination to help his teammates protect their areas musc. The inclination to help his teammates protect their areas must be curtailedt be curtaileduntil he has done his primary job first.until he has done his primary job first.


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6.6. PursuitPursuit -- once his initial territory has been secured,once his initial territory has been secured,the defender becomes a pursuer.the defender becomes a pursuer.a.a. He must know the proper and line of pursuit and then carry it ouHe must know the proper and line of pursuit and then carry it outt

full speed.full speed.

7.7. Gang tacklingGang tackling -- the final principle is to be sure thatthe final principle is to be sure thateach time the ball carrier declares his path, that all ableeach time the ball carrier declares his path, that all ableand available defensive personnel are prepared to shareand available defensive personnel are prepared to sharethe meat.the meat.

a. Pile upa. Pile up -- not on.not on.b. Prevent the break away run.b. Prevent the break away run.

c. Demoralize the ball carriers.c. Demoralize the ball carriers.

d. Create turnovers.d. Create turnovers.

The Seven Principles of Defense.The Seven Principles of Defense.


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The most important factor in the developmentThe most important factor in the development

of the defense is the coach.of the defense is the coach.

1. He must understand the seven principles1. He must understand the seven principlesof defense.of defense.

2. He must be able to teach the seven2. He must be able to teach the sevenprinciples of defense to his players.principles of defense to his players.

3. The players will execute properly.3. The players will execute properly.

4. The players will believe in the defense.4. The players will believe in the defense.

Get excited and show enthusiasm!Get excited and show enthusiasm!


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The 5 segments of a defense that theThe 5 segments of a defense that the

coach must know and believe in.coach must know and believe in.1.1. PositionPosition -- as a coach you must know theas a coach you must know the

exact position in which a player must beexact position in which a player must bealigned to get his job done first.aligned to get his job done first.

The biggest disadvantage that you can give a footballThe biggest disadvantage that you can give a footballplayer is to start him in the wrong alignment.player is to start him in the wrong alignment.


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2.2. StuntsStunts -- If you are going to use stunts, you must askIf you are going to use stunts, you must askyourself:yourself:

a.a. What are the stunts that will work best from our alignment?What are the stunts that will work best from our alignment?b. How will we "cover" for our stunts?b. How will we "cover" for our stunts?

3.3. WeaknessesWeaknesses -- you, your staff, and your players must knowyou, your staff, and your players must know

the weaknesses of your defense.the weaknesses of your defense.

4.4. FundamentalsFundamentals -- what are the extra techniques you mustwhat are the extra techniques you must

teach your defenders when in a different alignment orteach your defenders when in a different alignment orstunting?stunting?

5.5. Capabilities of personnelCapabilities of personnel -- your defense will only be asyour defense will only be as

strong as your personnel playing it.strong as your personnel playing it.a. Determine what your personnel is capable of playing.a. Determine what your personnel is capable of playing.b. Compare your findings with the defense you will be askingb. Compare your findings with the defense you will be asking

them to play.them to play.

c Adapt your defense to your personnel adjustments.c Adapt your defense to your personnel adjustments.


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Creating A DefenseCreating A Defense

One basic method that many coaches use in calling their defenseOne basic method that many coaches use in calling their defense isisto utilize a twoto utilize a two--digit number to determine the number ofdigit number to determine the number ofdefensive linemen and linebackers in the game.defensive linemen and linebackers in the game.

The first number telling how many defensive linemen are in theThe first number telling how many defensive linemen are in thegame and the second number telling how many linebackersgame and the second number telling how many linebackersshould be on the field.should be on the field.

Call 3Call 3--4, 3 linemen and 4 linebackers4, 3 linemen and 4 linebackers Call 4Call 4--3, 4 linemen and 3 linebackers3, 4 linemen and 3 linebackers Call 5Call 5--2, 5 linemen and 2 linebackers2, 5 linemen and 2 linebackers Call 5Call 5--3, 5 linemen and 3 linebackers3, 5 linemen and 3 linebackers Call 6Call 6--1, 5 linemen and 1 linebacker1, 5 linemen and 1 linebacker Call 6Call 6--2, 6 linemen and 2 linebackers2, 6 linemen and 2 linebackers Call Gap 8, 8 linemen no linebackersCall Gap 8, 8 linemen no linebackers


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Following the number call will come any variations from the baseFollowing the number call will come any variations from the base defensedefensethat you may call, including:that you may call, including:

Any change in defensive line charge.Any change in defensive line charge. Any linebacker blitz.Any linebacker blitz.

Any stunt between two defensive linemen.Any stunt between two defensive linemen. Any stunt between a lineman and a blitzing linebacker.Any stunt between a lineman and a blitzing linebacker. Any blitz by a defensive back.Any blitz by a defensive back.

Cover zeroCover zero-- manman--toto--man coverage with no free safety in the middle [usuallyman coverage with no free safety in the middle [usuallywith an all out blitz].with an all out blitz].Cover 1Cover 1-- manman--toto--man coverage with a free safety deep in the middle of theman coverage with a free safety deep in the middle of the

field.field.

Cover 2Cover 2-- twotwo--deep zone coverage.deep zone coverage.Cover 3Cover 3-- threethree--deep zone coverage with rotation to the twodeep zone coverage with rotation to the two--receiver side ofreceiver side ofthe formation [can be called by directionthe formation [can be called by direction-- left or right usually to theleft or right usually to thewide side of the field].wide side of the field].

Cover 4Cover 4-- fourfour--deep zone [usually used at the end of the game or half whendeep zone [usually used at the end of the game or half when

the offense must throw deep].the offense must throw deep].



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Many defensive coaches think that they needMany defensive coaches think that they needto have some form of an eightto have some form of an eight--man front inman front inorder to stop the opponent's running game.order to stop the opponent's running game.

You can use a defense with a sevenYou can use a defense with a seven--manman

defensive front if you commit one or more ofdefensive front if you commit one or more ofyour defensive backs to playing the run firstyour defensive backs to playing the run firstand then being a part of the pass defense.and then being a part of the pass defense.

With the use of four defensive backs, you areWith the use of four defensive backs, you arebetter suited to stop any team that you face,better suited to stop any team that you face,

which has a good passing attackwhich has a good passing attack



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66--2 Defense2 Defense


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66--22STRENGTHS OF THE DEFENSESTRENGTHS OF THE DEFENSE::

With six linemen in the game, strong versus a running team espeWith six linemen in the game, strong versus a running team especially for runscially for runswide to the outside.wide to the outside.

Two linebackers must control the inside with the two defensive tTwo linebackers must control the inside with the two defensive tackles and areackles and are

in great position to pursue to the ball in any direction.in great position to pursue to the ball in any direction.

The sixThe six--man line can put a great deal of pressure on the quarterback ifman line can put a great deal of pressure on the quarterback ifhe sets uphe sets upto throw.to throw.

With only three defensive backs in the game we are limited to maWith only three defensive backs in the game we are limited to mainly one maninly one man--toto--man pass coverage.man pass coverage.

KEYS TO THE DEFENSE:KEYS TO THE DEFENSE:

Defensive backs and two linebackers must be able to play manDefensive backs and two linebackers must be able to play man--toto--man passman passdefense. Corners must know there is no help deep in the center odefense. Corners must know there is no help deep in the center of the field.f the field.

In addition to the above defensive alignments, you can also runIn addition to the above defensive alignments, you can also run a Gapa Gap--8 defense8 defensewhere you line up a defensive linemen in every gap and play withwhere you line up a defensive linemen in every gap and play with three defensivethree defensivebacks.backs.

Easier to attack this defense and to not be overwhelmed with theEasier to attack this defense and to not be overwhelmed with the chargingcharginglinemen. Because of lack of depth in the defense, once the balllinemen. Because of lack of depth in the defense, once the ball carrier breaks thecarrier breaks theline of scrimmage he will have a long run.line of scrimmage he will have a long run.


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Consisting of a nose guard, 2 defensive tackles, and 2 defensiveConsisting of a nose guard, 2 defensive tackles, and 2 defensive ends, it isends, it isintended mainly as a run defense. However, it can be effective aintended mainly as a run defense. However, it can be effective against thegainst thepass as well with five pass rushers and two or three linebackerspass as well with five pass rushers and two or three linebackers..

Down linemen's first responsibilities are running lane specific,Down linemen's first responsibilities are running lane specific, each maneach man

responsible for a certain gap or lane.responsible for a certain gap or lane.

Linemen is to read and react to the play, with the defensive endLinemen is to read and react to the play, with the defensive end's primary's primaryconcern being containment.concern being containment.

DE may be called on to pass defend an area such as the flat. LB'DE may be called on to pass defend an area such as the flat. LB's firsts firstresponsibility is to defend the run, then the pass.responsibility is to defend the run, then the pass.

--A coach wants his leading tacklers to be down linemen or lineA coach wants his leading tacklers to be down linemen or linebackers. If a defensive back or safety is leading the team in tabackers. If a defensive back or safety is leading the team in tackles, it is a clearckles, it is a clear

indication that the opposing offenses are getting throughout theindication that the opposing offenses are getting throughout the first line offirst line ofdefense.defense.

LBsLBs are 4 to 5 yards off the ball, CBs 3 to 6 yards deep, safetiesare 4 to 5 yards off the ball, CBs 3 to 6 yards deep, safeties 10 to 12 yards.10 to 12 yards.Down linemen keep the ball in the corner of the eye, and move onDown linemen keep the ball in the corner of the eye, and move on the snapthe snap----not thenot the QB'sQB's vocalizations or other personnel movement.vocalizations or other personnel movement.



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55--2 Strengths2 Strengths

Must have a solid Nose guardMust have a solid Nose guard

STRENGTHS OF THE DEFENSE:STRENGTHS OF THE DEFENSE: With five linemen in the game, it should be strong versus a runnWith five linemen in the game, it should be strong versus a running teaming team

especially for runs wide to the outside.especially for runs wide to the outside. LBLBs must control the inside with the nose tackle and be ready to ps must control the inside with the nose tackle and be ready to pursueursue

to the ball. The fiveto the ball. The five--man line can put pressure on the quarterback.man line can put pressure on the quarterback.

KEYS TO THE DEFENSE:KEYS TO THE DEFENSE:

Linebackers' ability to control the center area and run to the bLinebackers' ability to control the center area and run to the ball. Noseall. Nosetackle must be able to control the center.tackle must be able to control the center.

Corners must know they are on an island on the split end side anCorners must know they are on an island on the split end side and,d,although they have deep 1/3 coverage responsibility on their sidalthough they have deep 1/3 coverage responsibility on their side, theye, theyhave to come up fast if the split end runs an "out" pattern.have to come up fast if the split end runs an "out" pattern.


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55--33

The 5The 5--3 Defense is a commonly used defense at the3 Defense is a commonly used defense at theyounger levels of football.younger levels of football.

The line normally consists of 1 nose guard, 2The line normally consists of 1 nose guard, 2defensive tackles and 2 defensive ends. There aredefensive tackles and 2 defensive ends. There are

three line backers, two normally at the outsidethree line backers, two normally at the outsideshoulder of the T and 1 middleshoulder of the T and 1 middle linbackerlinbacker lined uplined upbehind the NG. Two cornerbacks and 1 safeties arebehind the NG. Two cornerbacks and 1 safeties are

the standard.the standard.

The 5The 5--3 Defense can be easily shifted into a 43 Defense can be easily shifted into a 4--4, a 54, a 5--22and a 6and a 6--2 scheme.2 scheme.


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The 4The 4--4 uses four down linemen, four linebackers,4 uses four down linemen, four linebackers,two cornerbacks, and a safety.two cornerbacks, and a safety.

Stunts are a common component of this defensiveStunts are a common component of this defensiveset, usually with the some or all of the linemenset, usually with the some or all of the linemenstunting left or right and the inside linebackersstunting left or right and the inside linebackersstunting in the opposite direction.stunting in the opposite direction.

The 4The 4--4, also known as the "Stack" defense, relies on4, also known as the "Stack" defense, relies onquickness, particularly quickness in pursuit. Inquickness, particularly quickness in pursuit. Inorder to run the 4order to run the 4--4 on a regular basis, the interior4 on a regular basis, the interior

down linemen must be players of considerabledown linemen must be players of considerablesubstancesubstance



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The two center linebackers must read the guards.The two center linebackers must read the guards.

This is a wellThis is a well--balanced defense with great flexibility.balanced defense with great flexibility.It has the advantage of four linebackers, butIt has the advantage of four linebackers, butsacrifices the integrity of the line.sacrifices the integrity of the line.

The 4The 4--4 is designed to stop the wide running game4 is designed to stop the wide running gameas well as the short passing gameas well as the short passing game

Don't let the linebackers get fooled by false runs,Don't let the linebackers get fooled by false runs,

which will draw them to the sides and away fromwhich will draw them to the sides and away fromtheir primary job of protecting a break through thetheir primary job of protecting a break through theline.line.



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Developing a Defense

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