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SHEFFIELD, ENGLAND - OCTOBER 27: Alex Oxlade-Chamberlain of Arsenal leaves the pitch with Physio Colin Lewin during the Capital One Cup 4th Round match between Sheffield Wednesday and Arsenal at Hillsborough Stadium on October 27, 2015 in Sheffield, England. (Photo by David Price/Arsenal FC via Getty Images)

SHEFFIELD, ENGLAND - OCTOBER 27:  Alex Oxlade-Chamberlain of Arsenal leaves the pitch with Physio Colin Lewin during the Capital One Cup 4th Round match between Sheffield Wednesday and Arsenal at Hillsborough Stadium on October 27, 2015 in Sheffield, England.  (Photo by David Price/Arsenal FC via Getty Images)