Linesman / Line Judge Duties
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Linesman / Line Judge Duties. Pre – Snap. Post - Snap. by: Jeff Nease. Linesman / Line Judge Duties. Pre – Snap Responsibilities. Substitutions Neural Zone 7 on Line of Scrimmage Snap , Tackle, Back. 82. 75. 62. 50. 68. 88. 24. 44. LJ. 80. 19. 73. 20. D. D. D. D. D.

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Post snap

Linesman / Line Judge Duties

  • Pre – Snap

  • Post - Snap

by: Jeff Nease


Post snap

Linesman / Line Judge Duties

  • Pre – Snap Responsibilities

  • Substitutions

  • Neural Zone

  • 7 on Line of Scrimmage

  • Snap, Tackle, Back


Post snap

82

75

62

50

68

88

24

44

LJ

80

19

73

20

D

D

D

D

D

D

D

D

D

D

D

30

Pre - Snap

  • Monitor Substitutions

  • 2 Players in – 2 Players out, etc.

  • Re - entries


Post snap

82

75

62

50

68

88

24

44

Neutral Zone

LJ

80

19

73

Indicate to Receiver the “back of the ball” or “his LOS” using foot closest to him

20

D

D

D

D

D

D

D

“Check the ball”

D

30

Pre - Snap

  • Neutral Zone Infractions

  • Preventive Officiating – Talk to Players

  • Encroachment - Don’t nit-pick


Post snap

75

62

50

68

24

44

LJ

80

19

73

Counting 4 backs,

verifying Referee

has 11

20

82

88

D

D

D

D

D

D

D

D

Identify eligible receivers, repeat them to yourself or verbalize out loud

30

Pre - Snap

  • 7 on Line of Scrimmage

  • Count Backs

  • Identify Eligibles


Post snap

75

62

50

68

24

44

LJ

80

19

73

Indicate end is off line by extending arm, hold until snap. If player goes in motion drop arm

82

88

D

D

D

D

D

D

Stand upright, shoulders square, feet shoulder width apart

D

D

30

Pre - Snap

  • 7 on Line of Scrimmage (cont.)

  • Indicate if End is off Line

  • Stand Upright


Post snap

68

24

44

Neutral Zone

LJ

80

19

73

Watch center for snap infractions, lineman on your side of the ball for false starts

20

82

88

75

62

50

D

D

D

D

D

D

D

D

30

Pre - Snap

  • Snap, Tackle, Back

  • Snap Infractions

  • False Starts


Post snap

68

24

LJ

80

73

Watch for illegal motion and shifts of backs and ends

44

20

82

19

88

75

62

50

D

D

D

D

D

D

D

D

30

Pre - Snap

  • Snap, Tackle, Back (cont.)

  • Illegal Motion – Moving Forward at Snap

  • Illegal Shifts – Failure to Set / 2 Moving at Snap


Post snap

Linesman / Line Judge Duties

  • Post – Snap Responsibilities

  • Snap, Tackle, Back

  • Forward Progress


Post snap

68

24

LJ

80

73

Look thru end and read action of tackle, pass or run

44

20

82

19

88

75

62

50

D

D

D

D

D

D

D

D

30

Post - Snap

  • Snap, Tackle, Back

  • Read Action of Near Tackle

  • Fires Out – Run, Drops Back - Pass


Post snap

68

24

LJ

80

73

Make sure your key(s) get off LOS cleanly without being held then release and go to zone coverage

44

20

82

19

88

75

62

50

D

D

D

D

D

D

D

D

30

Post - Snap

  • Snap, Tackle, Back

  • Watch Key Receiver off LOS

  • Go to Zone Coverage


Post snap

44

82

19

88

75

62

50

68

24

LJ

80

44

73

Look off ball for fouls (holding, clips, block in back). When runner becomes threatened, be alert for facemask fouls

20

D

D

D

D

D

D

D

D

When receiver moves back toward the ball, watch for “crackbacks”

30

Post - Snap

  • Snap, Tackle, Back

  • Ball in Your Zone

  • Watch Action Around Ball


Post snap

82

19

88

75

62

50

44

68

LJ

LJ

D

D

44

73

20

D

D

D

D

D

D

30

Use downfield foot for progress spot, never extending more than heel past toe

Post - Snap

  • Forward Progress

  • Square Off

  • Stop at Resistance


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