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Understand football officiating keys & mechanics for identifying running or passing plays. Learn to read formations, keys, and responsibilities for each officiating position.
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IDENTIFYING KEYS LARRY THOMAS, MISSISSIPPI HIGH SCHOOL ACTIVITIES ASSOCIATION, INC. R 32 42 22 12 55 65 68 63 89 78 83 L LJ READING INELIGIBLES TO DETERMINE RUN OR PASS If Tackle fires off Line of Scrimmage (LOS) and contacts defender in or beyond neutral zone, officials should be alert for a RUNNING PLAY. If Tackle sets-up to pass protect, READ PASS. REFEREE: read opposite tackle when ball is snapped. LINESMAN & LINEJUDGE: Read tackle or first ineligible to your side. BACK JUDGE: Read tackle on strong side. UMPIRE: Read center and Guards. U BJ READS
Definitions Strength of Formation: determined by number of eligible receivers outside tackle. Tight End: End man no more than 4 yards from nearest lineman. Back in Backfield: Player in backfield between the tackles at snap. Trips: Three or more receivers outside tackle. KeysKeys are intended to help determine MAN coverage at the initial snap.
BACK JUDGE HAS FIRST KEY BASED ON STRENGTH AND NUMBER OF RECEIVERS USUALLY THE END ON THE STRONG SIDE. TRIPS: IS RESPONSIBLE FOR TWO OUTSIDE RECEIVERS BALANCED FORMATION - DECLARE STRENGTH TO LINE JUDGE’S SIDE FIVE MAN MECHANICS - BJ
LINESMAN AND LINE JUDGE HAVE SECOND KEY DO NOT KEY OFF THE SAME PLAYER AS BACK JUDGE STRONG SIDE - KEY STRONG SIDE BACK WEAK SIDE - KEY OFF RECEIVER(S) TO YOUR SIDE TRIPS: INSIDE ELIGIBLE RECEIVER BALANCED FORMATION - DECLARE STRENGTH TO LINE JUDGE’S SIDE PAGE 54 FIVE MAN MECHANICS L & LJ
R 32 42 22 12 55 65 68 63 89 78 83 L LJ U BJ PRIMARY( ) & SECONDARY KEYS ( ) OR READ
R 22 32 12 82 89 55 65 68 63 78 83 L LJ U BJ STRENGTH - L ; PRIMARY & SECONDARY KEYS
R 22 32 12 82 55 65 68 63 89 78 83 L LJ U BJ PRIMARY & SECONDARY KEYS
R 22 32 12 87 55 65 68 63 89 78 83 L LJ U BJ STRENGTH - LJ
R 22 32 81 12 55 65 68 63 78 83 87 L LJ U BJ STRENGTH (LJ)
R 22 87 32 12 55 83 88 65 68 63 78 L LJ U BJ TRIPS
R 22 12 87 32 55 83 88 65 68 63 78 L LJ U BJ TRIPS
R 32 22 87 12 55 65 68 63 78 83 88 L LJ U BJ BALANCED
R 8 87 32 12 55 83 65 68 63 78 88 L LJ U BJ BALANCED (LJ) - QB SPRINTS TO L - BJ OBSERVE 83
R 22 32 22 12 82 55 65 68 63 89 78 83 L LJ U BJ MOTION CHANGES STRENGTH
R 32 22 12 82 55 65 68 63 89 78 83 L LJ U BJ MOTION - STRENGTH SWITCHES TO LJ
R 22 32 12 82 55 65 68 63 89 78 83 L LJ U BJ MOTION - LINESMAN REMAIN STRONG SIDE
R 32 22 12 82 55 65 68 63 89 78 83 L LJ U BJ MOTION CREATES TRIPS TO LINESMAN’S SIDE
R 32 22 12 82 55 65 68 63 89 78 83 L LJ U BJ MOTION CREATES TRIPS TO LINESMAN
R 22 32 12 87 32 55 83 88 65 68 63 78 L LJ U BJ TRIPS TO LJ; MOTION CHANGES KEYS (LJ - STRONG SIDE)
R 22 12 32 87 55 83 88 65 68 63 78 L LJ U BJ BALANCED FORMATION - STRENGTH REMAINS TO LJ’S SIDE
R 22 87 32 32 12 55 65 68 63 78 83 88 L LJ U BJ MOTION CHANGES STRENGTH TO L’S SIDE
R 22 87 32 32 12 55 65 68 63 78 83 88 L LJ U BJ MOTION CAUSES TRIPS TO L’S SIDE
PUNT 12 R 42 22 32 55 83 89 65 68 63 78 L LJ U BJ
R 32 12 42 22 55 65 68 63 89 78 83 L LJ U BJ BALANCED FORMATION - LJ DECLARED STRONG
READ DETERMINES PASS R 22 32 12 82 55 65 68 63 89 78 83 L LJ U BJ ZONE COVERAGE AFTER R HAS ADVANCED 5 TO 7 YDS
READ DETERMINES PASS R 22 32 12 55 65 68 63 78 89 LJ 83 L U 82 BJ ZONE COVERAGE AFTER R HAS ADVANCED 5 TO 7 YDS
READ DETERMINES PASS R 22 32 12 55 65 68 63 78 U LJ 89 L 83 82 BJ ZONE COVERAGE AFTER R HAS ADVANCED 5 TO 7 YDS
Running Play: Back Judge Responsibility R 42 32 12 22 55 65 68 63 89 78 83 L LJ Recognize Strength of Formation Key: Tight End Read Tackle Read Key Locate POA Officiate in front of POA U BJ LARRY THOMAS, MISSISSIPPI HIGH SCHOOL ACTIVITIES ASSOCIATION, INC.
Keys Keys are intended to help determine MAN coverage at the initial snap. Definitions Strength of Formation: Determined by number of eligible receivers outside tackle. Tight End: End man no more than 4 yards from nearest lineman. Back in Backfield: Player in backfield between the tackles at snap. Trips: Three or more receivers outside tackle to one side. Back Judge Has first key; Based on strength and number of receivers. Usually the End on the Strong Side. Trips: Is responsible for two outside receivers. Balanced Formation: Declare strength to Line Judge’s side. Linesman and Line Judge Has second key Do not key off the same player as Back Judge. Strong Side: Key strong side back Weak Side: Key off receiver(s) to your side Trips: Inside eligible receivers Balanced Formation: Declare strength to Line Judge’s side. Page 54 R, L, LJ, BJ: Read tackle at snap (run or pass); Umpire: Read guards and center at snap
THANK YOU FOR STUDING THIS PRESENTATION R 32 42 22 12 55 65 68 63 89 78 83 L LJ U BJ LARRY THOMAS, MISSISSIPPI HIGH SCHOOL ACTIVITIES ASSOCIATION, INC.