4th Down Red Zone Play Designer & Separation Lab
Simulate high-stakes 4th-and-goal decisions inspired by Mahomes connecting with Jalen Royals against Indianapolis. Tune route depths, break timing, defensive shells, and test window leverage in real time.
Click anywhere on field during play to throw!
Receiver Separation
0.0 yd
At break point
Pocket Clock
0.00s
Collapse at 2.60s
Expected Catch %
68%
Based on throw window
Play Outcome
Ready
4th Down Conversion
Status: Select scheme and press Snap Ball, or click canvas to fire pass.
Canvas drag: adjust WR1 break depth directly
The Anatomy of Mahomes to Jalen Royals
On 4th down in the red zone, defenses compress into aggressive single-high man or zero-blitz to prevent easy scrambles and eliminate interior mesh runs. Kansas City dialed up a rub-action release:
- The Rub / Pick Concept: The slot receiver runs an underneath crosser to naturally scrub the trail cornerback defending Jalen Royals on the boundary.
- Inside-Out Break: Royals stems hard inside, freezes the defensive back's hips, and snaps back toward the pylon for immediate 1.8-yard separation.
- Quick Delivery: Mahomes releases the ball in 1.82 seconds before edge rushers can exploit the vacated tackle gap.
How to Win 4th-and-Goal in the Red Zone
Every fraction of a second changes conversion likelihood:
- Under 1.6s: Pass is released before the receiver makes their sharp break; lower completion probability due to contested catch radius.
- 1.7s – 2.2s: The golden window. The route has created peak leverage separation (> 1.5 yards) while the pocket remains clean.
- Over 2.5s: Pass rush collapse creates immediate strip-sack or hurried throw turnover hazard.