Arsenal thump Bayer Leverkusen as missing Riccardo Calafiori sent message - 5 talking points
ARSENAL 4-1 BAYER LEVERKUSEN: Oleksandr Zinchenko, Leandro Trossard, Gabriel Jesus and Kai Havertz were on target as Mikel Arteta's Gunners swatted aside last season's Bundesliga and DFB Pokal champions in style in their penultimate pre-season friendly