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DORTMUND, GERMANY - SEPTEMBER 13: Robin van Persie of Arsenal celebrates after scoring his team's first goal during the UEFA Champions League Group F match between Borussia Dortmund and Arsenal FC at Signal Iduna Park on September 13, 2011 in Dortmund, Germany. (Photo by Joern Pollex/Bongarts/Getty Images)

DORTMUND, GERMANY - SEPTEMBER 13:  Robin van Persie of Arsenal celebrates after scoring his team's first goal during the UEFA Champions League Group F match between Borussia Dortmund and Arsenal FC at Signal Iduna Park on September 13, 2011 in Dortmund, Germany.  (Photo by Joern Pollex/Bongarts/Getty Images)