Arsenal contested their penultimate pre-season friendly against Bayer Leverkusen at the Emirates Stadium on Wednesday evening. Arsenal hosted the reigning German champions, welcoming Granit Xhaka back to the Emirates Stadium in the process. Mikel Arteta also came up against his childhood friend Xabi Alonso, who was in the opposition dugout. Arteta named a strong starting XI for this match, with the start of the new Premier League campaign now a little over a week away. However, there were some notable names left out. New signing Riccardo Calafiori did not make the matchday squad, whilst Jurrie…