"We heard a whistle on our sideline," Pierce said, possibly explaining O'Connell's unreadiness for the snap. At the end of the day, it's too little, too late for the Raiders, who

Raiders head coach Antonio Pierce says at least one official blew the play dead before his team lost a fumble on its final offensive snap in Friday's loss to the Chiefs.

There was a penalty called on that play—an illegal shift violation on Las Vegas that was declined by Chiefs coach Andy Reid. The whistle that Pierce claims the Raiders' sideline heard would've stopped the play and given the ball back to Las Vegas after a five-yard false start penalty.