Much of the pre-match talk in Basel has centred around Granit Xhaka - but the Swiss midfielder is not the only member of our squad returning to a place he used to call home.
Mohamed Elneny spent three years at Tuesday night's opponents - and the Egypt international still has fond memories of his time on the Rhine.
- Granit Xhaka responds to Wenger praise
- Wenger - Why I picked this squad
- FC Basel v Arsenal: The Inside Track
“I am very happy that I will be going back to my former club Basel,” he told Arsenal Player.