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Arsenal faces a must-win UEFA Champions League game Tuesday night when it hosts Greek side Olympiacos at the Emirates Stadium.

The Gunners suffered a shocking upset loss to Dinamo Zagreb on Matchday 1 and need to secure some points before taking on German giants Bayern Munich in the next two group stage games.

Arsenal should be full of confidence after defeating Leicester City 5-2 in Premier League action on Saturday.

Here's how to watch Arsenal-Olympiacos.

When: Tuesday, Sept. 29 at 2:45 p.m. ET
Live Stream: FOX Soccer 2Go

Thumbnail photo via Twitter/@Arsenal