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LONDON, ENGLAND - MAY 02: A sign saying Together to Baku during the UEFA Europa League Semi Final First Leg match between Arsenal and Valencia at Emirates Stadium on May 2, 2019 in London, England. (Photo by James Williamson - AMA/Getty Images)

LONDON, ENGLAND - MAY 02: A sign saying Together to Baku during the UEFA Europa League Semi Final First Leg match between Arsenal and Valencia at Emirates Stadium on May 2, 2019 in London, England. (Photo by James Williamson - AMA/Getty Images)