A marvelous display by the Gunners on Sunday as they defeated their arch-rivals. The first-half performance and goals from Arsenal captain Pierre-Emerick Aubameyang and young stars Emile Smith Rowe and Bukayo Saka destroyed Tottenham who managed only to score a consolation second-half goal via Heung-Min Son. But the massive victory came with a cost.The Swiss playmaker Granit Xhaka picked up the injury in the derby, with concerned team-mates surrounding the 29-year-old. He sustained the injury after being fouled by Lucas Moura in the build-up to Tottenham’s only goal of the game.🗞 Our latest team news update on Granit Xhaka is here 👇— Arsenal (@Arsenal) September 29, 2021 Xhaka will be out for at least three months after scans showed the midfielder picked up a ‘significant knee injury’. In a blow to Mikel Arteta’s plans, scans have revealed that Xhaka has picked up an injury to his medial knee ligament, with the club aiming to get him back to match fitness by January. The captain of the Swiss national team was seen in a brace on his right knee on Instagram on Tuesday.’Further to injuring his right knee during Sunday’s match against Tottenham Hotspur, assessments and scans have confirmed that Granit Xhaka suffered a significant injury to his medial knee ligament.’, club statement read.’A specialist consultation took place in London on Tuesday evening which has determined that Granit does not require surgery. ‘Granit’s recovery and rehabilitation programme will start immediately and we are aiming for him to be back in action in approximately three months.’Everyone at the club will now be supporting and working hard with Granit to get him back on the pitch as soon as possible.’Sat, 2/10, 19.30: (3.00) BRIGHTON (3.15) ARSENAL (2.65)Starting with a trip to Brighton this Saturday – Arteta will have to prepare for the foreseeable future without Xhaka. The central midfielder had just returned from a three-match suspension he picked up in August for a red card against Manchester City.This latest news will be a massive setback for him and the Arsenal squad.