The Gunners attacker  may have suffered a “career ending” injury during Arsenal’s 0-0 draw with Sporting Lisbon, says medical expert Johnny Wilson.

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Welbeck required lengthy treatment and oxygen on the Emirates pitch after landing awkwardly when he had gone up for a header in the Sporting box.

And he was carried off on a stretcher with his leg heavily strapped before being rushed to hospital to assess the damage properly.

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And Wilson, who holds multiple degrees in sports medicine and has worked for three football clubs, provided a devastating verdict on the potential severity of the injury the England international suffered.

"Structures within the ankle which could [be] injured [are] the medial, lateral, anterior & posterior ligaments, tibia, fibula & talus bones as well as chondral surfaces. Will need [to be] imaged #AFC."

Wilson then went into detail on the specific tests Arsenal doctors will conduct to assess Welbeck’s injury.

"X-ray will [be] used as 1st line of imaging [to] assess integrity of bones: tibia, fibula, talus, calcaneous & other smaller bones in foot especially - 5th [metatarsal]!" Wilson wrote.