Arsenal and Liverpool play out a brilliant match at the Emirates; the Gunners earn  a controversial penalty to knick a much-deserved win; Liverpool's concerns compound with a lengthy Luis Diaz injury; Potter grows more comfortable in his Chelsea managerial role as the Blues breeze past a managerless Wolves and earn vital Champions League wins vs. AC Milan; Spurs earn crucial win away at Brighton in the face of tragedy as fitness coach dies; Leicester slump continues; City are a machine, what else is there to say?; Newcastle grow into a purple patch of form.