Arsenal have confirmed Shkodran Mustafi will miss the beginning of next campaign after undergoing surgery on his hamstring injury.
The defender sustained the injury in the closing minutes of the FA Cup semi-final victory over Manchester City, which rules him out of a second FA Cup final on Saturday.
Mustafi has now undergone surgery in order to repair the injury and will look to return to full training at the club in October.
An Arsenal statement read: “Right hamstring injury sustained during Emirates FA Cup semi-final on July 18. Further assessments during the week identified a significant injury to the right hamstring.
“As a result, Shkodran had a successful small procedure to his right hamstring on Saturday.
“Shkodran is now in the early stages of his recovery and rehabilitation, receiving specialist attention and support from our medical team.
“Aiming to return to full training in October.”
Mustafi has been outstanding at the Emirates since Mikel Arteta replaced Unai Emery as Arsenal manager in December.
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The centre-back is often a divisive figure among Arsenal fans, but he became a key part of Arteta’s team – starting all-but two of their last 14 Premier League matches before his injury.
Mustafi was also forced to watch on from the bench as Arsenal defeated Chelsea in the 2017 FA Cup final, missing the win through illness.