NFL Official Sightline & Mechanics Lab: Ref Locked In

TIMELINE: 2.10s

Primary Official Sightline SJ

94%

Clarity Score

Angle to Action

38.5°

Distance

8.4 yds

Obstructions

0 players

Redundancy

Dual Lock

Select Active Official to Drag / Inspect

NFL Rulebook Key & Focus

Rule 8-1-3: Two feet in bounds with firm control through ground contact. Side Judge maintains boundary line-of-sight while Line Judge trails for forward progress.

Officiating Mechanics Analysis

The Side Judge (SJ) is positioned 5-7 yards outside the numbers, squaring up the catch point. Perfect 38.5° angle prevents helmet/shoulder obstruction.