ARIZONA Cardinals coach Jonathan Gannon clashed with running back Emari Demercado after a calamitous Week 5 error.

The shocking incident occurred late in the Cardinals 22-21 loss to the Tennessee Titans on Sunday.

Demercado looked to have broken free for a 72-yard touchdown early in the fourth quarter at State Farm Stadium.

The score would have put the Cardinals up 28-6 after a dominant performance.

But Demercado celebrated too early, fumbling the ball on the one-yard line and into the endzone for a touchback.

The error would lead to a rejuvenated Titans storming back, hitting 16 unanswered points to steal their first win of the season.

In footage circulated on social media, Gannon is seen engaging in a heated discussion with his running back on the sideline.

The coach roared in

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