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LONDON, ENGLAND - OCTOBER 15: Shkodran Mustafi of Arsenal lifts goalscorer Theo Walcott of Arsenal after he scored his team's second goal during the Premier League match between Arsenal and Swansea City at Emirates Stadium on October 15, 2016 in London, England. (Photo by Julian Finney/Getty Images)

LONDON, ENGLAND - OCTOBER 15: Shkodran Mustafi of Arsenal lifts goalscorer Theo Walcott of Arsenal after he scored his team's second goal during the Premier League match between Arsenal and Swansea City at Emirates Stadium on October 15, 2016 in London, England.  (Photo by Julian Finney/Getty Images)