Via the Athletic, an NFL spokesperson said that “Had the clock been running at the snap, then by rule an illegal shift would convert to a false start. Since the clock was stopped (spike on the second-down play), an illegal shift is a live ball foul .”

"Had the clock been running at the snap, then by rule an illegal shift would convert to a false start," a league spokesperson said. "Since the clock was stopped (spike on the 2nd down play), an illegal shift is a live ball foul."

Fans and members of the media watching the Black Friday showdown couldn't believe that the Chiefs pulled yet another rabbit out of a hat.