Arsenal are still in the picture for the Premier League title with just four games remaining this season, but they will need to be perfect. Mikel Arteta’s side were in the lead for most of last season before collapsing in the final few weeks of the campaign, and a recent loss to Aston Villa meant that Manchester City regained the points advantage in the title race. However, if Arsenal win their final four games, and Man City drop points in just one of their final six, then Arsenal will have the advantage again because of their superior goal difference. When Arsenal collapsed last year, they we…