Analysis of defensive play for linemen

104 Pages·03.48 MB·English

by  Bordy, Philip E

ANALYSIS OF DEFENSIVE PLAY FOB LINEMEN
A Project
Presented to
The Faculty of the School of Education
The University of Southern California
In Partial Fulfillment
of the Bequirements for the Degree
Master of Science in Education
by
Philip E. Bordy
June 1950
UMI Number: EP45742
All rights reserved
INFORMATION TO ALL USERS
The quality of this reproduction is dependent upon the quality of the copy submitted.
In the unlikely event that the author did not send a complete manuscript
and there are missing pages, these will be noted. Also, if material had to be removed,
a note will indicate the deletion.
Dissertation Publishing
UMI EP45742
Published by ProQuest LLC (2014). Copyright in the Dissertation held by the Author.
Microform Edition © ProQuest LLC.
All rights reserved. This work is protected against
unauthorized copying under Title 17, United States Code
ProQuest LLC.
789 East Eisenhower Parkway
P.O. Box 1346
Ann Arbor, Ml 48106- 1346
l£ £ 1 s o 6 7 £ ^ ^ '
This project report, written under the direction
of the candidate’s adviser and approved by him,
has been presented to and accepted by the Faculty
of the School of Education in partial fulfillment of
the requirements for the degree of Master of
Science in Education.
Dean
TABLE OF CONTENTS
CHAPTER PAGE
I. INTRODUCTION ............................. 1
The problem........................... 1
Statement of the problem . ............ 1
Importance of the s t u d y .............. 2
Scope of the problem............... . . 3
Definitions of terns used . . ’.......... 3
Defensive line . * . . ...............* 3
Secondary defense .................... 4
Slant or angle charge . . . . . . . . . 4
Looping line.......................... 4
Overshifted defense .................. 4
Undershifted defense .................. 4
Seam, hole, or s l o t .................. 4
Methods of procedure ......... . 5
Weaknesses and limitations . . . ......... 5
Organization of the remaining chapters . . 6
II. THE DEFENSIVE PLAY OF INDIVIDUAL LINEMEN . . 7
Defensive end play................... . 8
Stance . . . . . ..................... 8
Categories ........................... 8
Stunts . ........................... 10
General responsibilities . ........... 11
Common defensive errors ............ 12
CHAPTER PAGE
Defensive tackle p l a y ................. 13
Stance............................... 13
Categories............... 14
Stunts............................... 15
General responsibilities .............. 16
Defensive guard play.................... 17
Stance............................... 17
Categories........... 17
Stunts............................... 18
General responsibilities .............. 19
Defensive center p l a y ................. 19
Summary............................... 19
III. DEFENSE AGAINST THE RUNNING ATTACK ........ 21
Four basic principles of defensive
line p l a y ........................... 22
Get across the line of scrimmage . . . . 22
Defend your own territory first . . . . 22
Go for the b a l l ...................... 23
Make the tackle...................... 23
Spacings of the standard defensive
formations........... 23
The four man l i n e .................... 24
The five man l i n e ........... 24
The six man line...................... 27
:\v
CHAPTER PAGE
The seven man line.................... SO
Rules for defensive spacing........... 34
The individual assignments in the
defensive formations .................. 35
The 4-4-2-1 defense against the
T formation ...................... 36
The 4-3-1-2-1 defense against the
T formation........................ 36
The 5-3-2-1 defense against the
T formation....................... 39
The 5-3-2-1 defense against the
single wlngback formation, un­
balanced l i n e ..................... 39
The 5-2-2-2 defense against the
T formation....................... 42
The 6-2-2-1 defense against the
T formation....................... 42
The 6-2-2-1 defense against the
single wingback formation, un­
balanced l i n e ..................... 45
The 7-1-2-1 defense against the
T formation .................. 45
VI
CHAPTER PAG-E
The 7-1-2-1 defense against the
single wingback formation, un­
balanced line ......... . . 43
The 7-2-2 defense against the
single wingback formation, un­
balanced l i n e ....................... 48
Individual assignments in special
defenses..................... 51
Overshifted 6-2-2-1 defense against
the single wingback formation, un­
balanced l i n e ....................... 52
Overshifted 6-2-2-1 defense against
the T formation..................... 54
Overshifted 5-3-2-1 defense against
the T formation...................... 54
Undershifted 6-2-2-1 defense against
the single wingback, unbalanced
line................................. 57
Slanting 6-2-2-1 defense against
the T formation....................... 59
Slanting 6-2-2-1 defense against
the single wingback formation,
unbalanced l i n e ..................... 59
vii
CHAPTER PAGE
Looping 6-2-2-1 defense against
the single wingback formation,
imbalanced line .......... 62
Looping 5-3-2-1 defense against
the T formation . 64
Summary............................... 66
IV. DEFENSE AGAINST THE PASSING ATTACK . . . . . 68
Principles of pass defense........... 68
Factors that serve as pass
indicators .................... 70
The defensive linemen in pass
defense........................... 71
Summary ........... 78
V. DEFENSIVE GENERALSHIP..................... 79
Signal system ....................... 79
Principles . ......... * 82
Summary............................. 86
VI. SUMMARY AND CONCLUSIONS
Summary............................... 88
Conclusions............................ 89
BIBLIOGRAPHY................................... 91
LIST OF FIGURES
FIGURE PAGE
1* The Spacing of the Four Man Line Against
the T Formation .................. 25
2. The Spacing of the Five Man Line Against
the T Formation........................... 26
3. The Spacing of the Five Man Line Against
the Single Wingback Formation, Un­
balanced Line............................. 28
4. The Spacing of the Six Man Line Against
the T Formation........................... 29
5. The Spacing of the Six Man Line Against
the Single Wingback Formation, Un­
balanced Line............................. 31
6. The Spacing of the Seven Man Line Against
the T Formation........................... 32
7. The Spacing of the Seven Man Line Against
the Single Wingback Formation, Un­
balanced Line..................... .. 33
8. The 4-4-2-1 Defense Against the T
Formation................................. 37
9. The 4-3-1—2-1 Defense Against the T
Formation............................. .. • 38
10. The 5—3—2-1 Defense Against the T Formation . . 40
' -ix
FIGURE PAGE
11. The 5-3-2-1 Defense Against the Single
Wingback Formation, Unbalanced Line ........ 41
12. The 5-2-2-2 Defense Against the T Formation . . 43
13. The 6-2-2-1 Defense Against the T Formation , . 44
14. The 6-2-2-1 Defense Against the Single Wing­
back Formation, Unbalanced Line ........... 46
15. The 7-1-2-1 Defense Against the T Formation . . 47
16. The 7-1-2-1 Defense Against the Single Wing­
back Formation, Unbalanced Line ........... 49
17. The 7-2-2 Defense Against the Single Wing­
back Formation, Unbalanced Line ........... 50
18. Overshifted 6-2-2-1 D efense Against the
Single Wingback Formation, Unbalanced
L i n e ..................................... 53
19. Overshifted 6-2-2-1 Defense Against the T
Formation ............... 55
20. Overshifted 5-3-2-1 Defense Against the T
Formation ........................... 56
21. Undershifted 6-2-2-1 Defense Against the
Single Wingback Formation, Unbalanced
L i n e .....................................
22. Slanting 6-2-2-1 Defense Against the T
Formation.................................