Arsenal returned to form with a convincing 2-0 victory over Newcastle, who remain winless in the Premier League this season.
Bukayo Saka broke the deadlock after the interval, finishing smartly after he, Emile Smith Rowe and Nuno Tavares combined well to open up the space.
Arteta’s men enjoyed nearly 70 per cent of possession – but in truth the first half was played at a pedestrian pace in the main, with neither side really taking control of the game.
Saka was soon withdrawn but his replacement Gabriel Martinelli wasted no time in announcing his presence on the pitch, doubling their lead with a wonderful finish.
Takehiro Tomiyasu floated the ball in to the box and the Brazilian forward beautifully cushioned his volley over Dubravka into the net.
It was a breathtaking way for the youngster to score his first of the season, just 93 seconds after coming on.
Meanwhile, Arsenal have now won 18 of their last 19 meetings in all competitions with Newcastle.
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