Arsenal defender Mathieu Debuchy dislocated a shoulder during the 3-0 Premier League win against Stoke.

The Frenchman, 29, landed heavily after colliding with Stoke's Marko Arnautovic and was replaced by Hector Bellerin in the 13th minute at Emirates Stadium.

Arsenal boss Arsene Wenger said: "It's dislocated so it will take a while. He will have to see a specialist."

Debuchy, who joined from Newcastle last July, has missed three months of the season with an ankle injury.

During that absence Calum Chambers and Bellerin deputised at right-back.

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