Arsenal will be taking on Bayer Leverkusen on Wednesday night in their penultimate friendly of the summer. It is now just over a week until Arsenal will welcome Wolves for their Premier League season opener with the title on their mind. Mikel Arteta‘s side will be raring to go having missed out on the title by just two points last season. The Gunners will be looking to finally overturn Manchester City at the top of the table and they have one new recruit in Riccardo Calafiori to help with that. However, Arteta may already have been hit with one significant issue leading into the new campaign w…