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Borussia Dortmund's fans wave during the German football Cup DFB Pokal round of 16 game between German third division Dynamo Dresden and first Bundesliga Borussia Dortmund, in Dresden eastern Germany, on March 3, 2015. AFP PHOTO / ODD ANDERSEN +++ RESTRICTIONS / EMBARGO ACCORDING TO DFB RULES IMAGE SEQUENCES TO SIMULATE VIDEO IS NOT ALLOWED DURING MATCH TIME. MOBILE (MMS) USE IS NOT ALLOWED DURING AND FOR FURTHER TWO HOURS AFTER THE MATCH. FOR MORE INFORMATION CONTACT DFB DIRECTLY AT +49 69 67880 (Photo credit should read ODD ANDERSEN/AFP via Getty Images)

Borussia Dortmund's  fans wave during the German football Cup DFB Pokal round of 16 game between German third division Dynamo Dresden and first Bundesliga Borussia Dortmund, in Dresden eastern Germany, on March 3, 2015.
AFP PHOTO / ODD ANDERSEN
+++ RESTRICTIONS / EMBARGO  ACCORDING TO DFB RULES IMAGE SEQUENCES TO SIMULATE VIDEO IS NOT ALLOWED DURING MATCH TIME. MOBILE (MMS) USE IS NOT ALLOWED DURING AND FOR FURTHER TWO HOURS AFTER THE MATCH. FOR MORE INFORMATION CONTACT DFB DIRECTLY AT +49 69 67880        (Photo credit should read ODD ANDERSEN/AFP via Getty Images)