Before every Gunners clash, home and away, we will bring you Arsenal's and their opposition's most common starting XI in addition to their last three Line-Ups, helping you to determine how they're likely to start this time around.

Here you can see how Manchester United and Arsenal have lined up so far in the Champions League.

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Copyright 2014 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source 24 Apr 2009