Arsenal will be without Aaron Ramsey for tomorrow night's opening Champions League group stage match against Borussia Dortmund.

The Gunners take on the reigning German Bundesliga champions at Signal Iduna Park but they will face Jurgen Klopp's men without the Wales captain as he has an ankle injury sustained at training today.

"I think Aaron Ramsey has been very influential in our team since the start of the season, but it is a good opportunity to show that we have now a big squad, and that we can cope with it," said Arsenal boss Arsene Wenger.

"We have of course three midfielders out with (Abou) Diaby, (Jack) Wilshere and Ramsey and it's many but we still have hopefully a strong midfield tomorrow."

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