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LONDON, ENGLAND - OCTOBER 25: Arsenal's Alex Oxlade-Chamberlain scores the opening goal during the EFL Cup 4th Round match between Arsenal and Reading at Emirates Stadium on October 25, 2016 in London, England. (Photo by Ashley Western - CameraSport via Getty Images)

LONDON, ENGLAND - OCTOBER 25:  Arsenal's Alex Oxlade-Chamberlain scores the opening goal during the EFL Cup 4th Round match between Arsenal and Reading at Emirates Stadium on October 25, 2016 in London, England. (Photo by Ashley Western - CameraSport via Getty Images)