ARSENAL’S SEASON HAS been rocked by a serious knee injury to summer signing Jurrien Timber which will require surgery.

The Netherlands international moved to the Emirates Stadium from Ajax this summer but was forced off on his Premier League debut – Saturday’s 2-1 win over Nottingham Forest.

Timber, 22, limped off at half-time against Forest following a heavy challenge on Brennan Johnson that earned the full-back a booking.

He emerged for the second half but lasted just five minutes before going down off the ball and being replaced by Takehiro Tomiyasu.

An Arsenal statement on Wednesday read: “Further to detailed assessments with consultant specialists since Saturday, we can confirm that Jurrien has sustained an injury to his anterior cruciate ligament in his right knee.

“Jurrien will undergo surgery in the coming days and will be out of action for a period of time.

“The support and expertise from our medical team and everyone at the club will now be focussed on Jurrien’s rehabilitation programme, to ensure he recovers well and is back playing as soon as possible.”

Timber was a €45million (£38.5million) signing for the Gunners and played in the Community Shield penalty shoot-out win over Manchester City before suffering the setback against Forest.

Despite losing Timber, Arsenal are still expected to allow Nuno Tavares to leave the club in the coming days, with Forest a potential destination for the former Portugal Under-21s full-back.

While signed primarily to play at right-back, Timber had started life at Arsenal on the left side of defence, filling in as Oleksandr Zinchenko recovered from a calf problem.

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