By DAN KARELL

Arsenal’s strong start to the 2013/2014 season will be put to the test as Borussia Dortmund visit the Emirates on Tuesday in matchday three of the UEFA Champions League.

German international Mesut Özil scored twice while Jack Wilshere and Aaron Ramsey scored a brilliant goals as well as Arsenal ran over Norwich last Saturday, but they’ll face a different and more experienced challenge in Borussia. Though the visitors will be without Jurgen Klopp as he’s serving the second game of a two-match touchline ban, they return the likes of Sven Bender, Marco Reus, and Nuri Sahin after all three missed time recently with injuries.

Elsewhere in Europe, Barcelona make their return to the San Siro for the first time since their surprising 2-0 defeat, with AC Milan hoping for a repeat of that result. Mario Balotelli and Lionel Messi have both been declared fit and we could see the Argentine star starting from the outset.

Jose Mourinho and a deep Chelsea squad visit FC Schalke looking to keep pace with the German side, who are expected to have Kevin-Prince Boateng, Jermaine Jones, and Timo Hildebrand available for the game. Ajax’s visit to Celtic should produce a quality match between the flagship clubs from Holland and Scotland, respectively.

Here is a rundown of today’s UEFA Champions League action:

2:45pm – Fox Sports 1/Fox Deportes – AC Milan vs. Barcelona

2:45pm – Fox Sports 2 – FC Schalke vs. Chelsea

2:45pm – Fox Sports Net/MSG Plus – Celtic vs. Ajax

2:45pm – Fox Soccer Plus – Arsenal vs. Borussia Dortmund

2:45pm – Fox Soccer 2Go – Austria Wien vs. Atletico Madrid

2:45pm – Fox Soccer 2Go – Porto vs. Zenit St. Petersburg

2:45pm – Fox Soccer 2Go – Marseille vs. Napoli

2:45pm – Fox Soccer 2Go – Steaua Bucharest vs. FC Basel

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What do you think of today’s UEFA Champions League slate? Which matches are you looking forward to watching? Do you see Arsenal winning against Borussia Dortmund? Do you believe Milan can overcome Barcelona at home again?

Share your thoughts below.