Arsenal in time-wasting storm as it emerges young substitute was shown a yellow card for 'instructing keeper David Raya to run down clock' at Man City in new 'dark arts' tactic
JACK GAUGHAN: Referee Michael Oliver booked Lewis-Skelly after the substitute trotted behind Raya's goal line while warming up in the 65th minute as the Gunners led 2-1.
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