Arsenal host Manchester United at the Emirates on Sunday in a game that will be key to determining who ends up in the top four this season.
The Gunners are currently fifth in the table but just a point behind United in the table at this moment in time.
The come into this game in mixed form. A midweek defeat to Rennes in the Europa League brought them crashing down after a recent upturn in form.
So which players will be critical to them getting victory over their old enemies on Sunday? Here are the five Gunners stars you should be keeping an eye on.