Arsenal blitz hapless Bate in midweek Europa League action before shooting themselves in the (other) foot with yet another abysmal league start against Southampton. So, naturally, we’ll debate roughly how long it will take Arsenal to actually take poor defending seriously, how deadly conceding an early goal is statistically and what difference playing four at the back actually makes in these situations, plus we’ll throw in some prize trivia in case you’re a) still behind on your Christmas shopping and b) a complete cheapskate…