Arsenal manager, Mikel Arteta, has reacted to their 1-0 defeat at Newcastle United in Saturday’s early kick-off. Alexander Isak’s powerful header in the first half proved to be the winner at St James Park. For the Gunners, it is a big blow to their Premier League title hopes, as they could go eight points behind Manchester City by the end of today. After the game, Arteta told Premier League Productions: “We deserved to lose today. I thought we started really well and were really dominant. We didn’t defend the box well enough. Credit to them. They scored a great goal with a good ball. “Then the…