Arsenal are preparing for their crucial showdown against Chelsea on match day 11 of the Premier League season. It’s now three games without a league win for Mikel Arteta’s side, who will be desperate to right their wrongs. With the gap between the summit and Arsenal extending, there’s no room for error against Chelsea, who are showing strong signs under Enzo Maresca. The North Londoners will head west with three points considered a must in what is poised to be a lively affair between the two rivals. READ MORE: Chelsea vs Arsenal: How to watch, live stream details, team news, injury updates and…