Newcastle United were thrashed away at Arsenal on Saturday night. A five match unbeaten run was ended in really rather disappointing fashion at the Emirates Stadium as Newcastle were battered 4-1. In truth, Eddie Howe’s side were lucky to have come away from the game having only conceded four goals. The Magpies bosshas conceded that his team’s defensive problems are a real “worry” right now, with only Bournemouth, Nottingham Forest and the Premier League‘s bottom three having let more in thus far. Indeed, it was a particularly difficult night for Sven Botman. The £35m star scored an own goal t…