Arsenal head to PSG for their massive UEFA Champions League semifinal second leg on Wednesday trailing 1-0 from the first leg. The margins are so slim between these two teams. MORE — Odegaard wants to be hero for ‘angry’ Arsenal Luis Enrique's PSG are ahead after Ousmane Dembele's early goal in the first leg in North London but Mikel Arteta knows his Arsenal side are right in this tie heading to Paris.

Everything you need to know ahead of Wednesday's UEFA Champions League semifinal at the Parc des Princes as Arsenal look to mount a comeback against PSG.