UEFA Champions League play-off first leg match Besiktas v Arsenal [Getty Images]

ISTANBUL, TURKEY - AUGUST 19 : Demba Ba of Besiktas (R) in action against Calum Chambers of Arsenal (L) during the UEFA Champions League play-off first leg match between Besiktas and Arsenal at Ataturk Olympic Stadium in Istanbul, Turkey on August 19, 2014. (Photo by Bulent Doruk/Anadolu Agency/Getty Images)

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