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WEST BROMWICH, ENGLAND - NOVEMBER 21: An injured Francis Coquelin of Arsenal holds his leg during the Barclays Premier League match between West Bromwich Albion and Arsenal at The Hawthorns on November 21, 2015 in West Bromwich, England. (Photo by James Baylis - AMA/West Bromwich Albion FC via Getty Images)

WEST BROMWICH, ENGLAND - NOVEMBER 21: An injured Francis Coquelin of Arsenal holds his leg during the Barclays Premier League match between West Bromwich Albion and Arsenal at The Hawthorns on November 21, 2015 in West Bromwich, England.  (Photo by James Baylis - AMA/West Bromwich Albion FC via Getty Images)