Tonight they are in Belgium for a meeting with Club Brugge.
Declan Rice will be among the absentees for Arsenal this evening as they look to maintain their 100% start to this season's Champions League.
The Gunners have won all five of their league phase matches so far and tonight go to Belgium for a meeting with Club Brugge.
Kick off is at 8pm.
At the same time, Real Madrid play Manchester City and Newcastle go away to Bayer Leverkusen.
Holders PSG are also in action tonight when they go away to Athletic Club.
Two games are underway from 5.45pm, Qarabag face Ajax and Villarreal go up against Copenhagen.

Wednesday Morning Sports Update
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Today's Fixture At Punchestown Cancelled Due To Storm Bram
Tuesday Morning Sports Update
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Monday Morning Sports Update