Ally McCoist has praised Kai Havertz for scoring an ‘out of this world’ goal as Arsenal met Newcastle United in the Premier League on Saturday night at Emirates Stadium. The Gunners enjoyed a totally dominant first half as the Toon visited north London. Arsenal spent most of the opening 45 minutes camped inside the Newcastle half of the pitch. A vast amount of their 64% share of the possession at the break even came in their attacking third. Arsenal further managed 314 accurate passes during the first 45 minutes to Newcastle’s 158 for a staggering eight key balls. The Magpies returned to their…