Wenger concerned by Xhaka discipline

Arsene Wenger has admitted he has concerns over the discipline of Granit Xhaka.

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Switzerland international Xhaka arrived at Emirates Stadium from Borussia Monchengladbach tasked with toughening up what some felt was the costly soft underbelly of the Gunners.

Xhaka has impressed in the early stages of his Arsenal career, scoring a stunning goal against Hull City in September, but the other side of his game was also evident when he saw red for hacking down Modou Barrow in a 3-2 win over Swansea City last month.

With Sunday's often fiery north London derby against Tottenham looming, Wenger concedes Xhaka's temperament is an issue which could see the…