Their defending was shocking on Tyneside as they left space for waves of Newcastle attacks, and when they won the ball they failed to get up the field.
Marc Albrighton and Timothy Castagne both lost possession when trying to clear the ball in the move that led to the hosts' opener.
Had Vardy not shot wide when unmarked near the penalty spot, they could have set up a grandstand finish. But 22-7 on shots and 9-1 on efforts on target tells a fair story of the game.
Back to the Premier League now for Leicester, who have less than half the points of Newcastle and sit two points above the drop zone.
