This is bad news for gunners, Mustafi has sustained an injury while on international duty.
Check out the round up of all the latest news about Arsenal today.
There are reports saying that Martial may join Arsenal,lets take an analysis if he could be a great replacement for Sanchez.
Nigerian golden boy Alex Iwobi has spoken some great words about Ozil and Sanchez
Granit Xhaka was in action for Switzerland last night and he scored the opening goal. Check out video.
Arsenal supporters have taken to social media to congratulate Iwobi and his country on qualifying for World Cup.
Check out the video of the goal that Iwobi scored to take Nigeria to World Cup 2018.
Bad news gunners:It is said that Arsenal are not willing to offer Mesut Ozil new deal.
Barcelona star Lionel Messi has given some advise to Arsenal midfielder Alexis Sanchez.
Arsenal defender Nacho Monreal has given an update on his international duty.
Arsenal midfielder Jack Wilshere is set to be given a start tomorrow by England manager.
Check out the video of Hector Bellerin's fantastic goal.