Latest on Koscielny Injury — bleacherreport.com

Arsenal may have a crisis in central defence, as standout defender Laurent Koscielny is reportedly suffering from a flare-up of a long-term Achilles issue.     The Mirror's John Cross reported that Wenger is worried about the ability of Koscielny's Achilles to hold up ahead of the team's crucial Champions League qualifier against Besiktas on Tuesday.  The Frenchman had a strong performance in the Gunners' 2-1 victory over Crystal Palace on Saturday, scoring a headed goal just before the end of the first-half stoppage time.

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