Arsenal are now closing in on their first major signing of the summer with the Bologna centre-back Riccardo Calafiori. Mikel Arteta has been made to wait patiently but the Gunners finally look set to get their man with a medical in place. Riccardo Calafiori agreed personal terms with Arsenal on a five-year deal over three weeks ago now. But discussions between the two clubs and even FC Basel – Calafiori’s former club – have taken time to finalise. However, around six weeks into the window, Arsenal finally look as if they are about to sign their main target of the summer. READ MORE: Arsenal sta…