Although he didn’t feature in Arsenal’s pre-season defeat to Liverpool in the early hours of Thursday morning, Riccardo Calafiori is constantly on the minds of the club’s fans right now. Mikel Arteta claimed that Calafiori wasn’t quite ready, with Arsenal preferring to take things patiently with the Italian. In his place at left-back, Oleksandr Zinchenko struggled for Arsenal, once again torn apart by Liverpool winger Mohamed Salah – who is fully aware of his defensive weaknesses. In truth, it seems as if Zinchenko could even be third-choice on the left this season, behind both Calafiori and J…