Riding high until two weeks ago, Arsenal's season has taken a sudden downturn that has thrown the focus firmly onto the club's plans for the January transfer window.
Prior to the visit to Southampton in mid-December, the Gunners had gone 22 games without defeat and while form had been more patchy since the end of October, the trajectory of Unai Emery's side was undeniably on the up.
Defeat at St Mary's Stadium, however, triggered a run that has brought just one win in five games, including Saturday's humiliating 5-1 defeat at league leaders Liverpool.
With Chelsea winning at Crystal Palace a day later, Arsenal now sit five points off the top four and anything less than three points in the home meeting with fellow London side Fulham on Tuesday will further undermine the club's hopes of reclaiming a place in the Champions League.
Arsenal have started to appear increasingly vulnerable at the back, a weakness that was ruthlessly exposed by Jurgen Klopp's side at Anfield.
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