Mikel Arteta has done a fantastic job at Arsenal. The Spaniard has completely changed the way the Gunners play, while he’s also played a big part in the squad’s transformation in terms of personnel. Indeed, while Edu may be the club’s Sporting Director, you often hear Arsenal’s new signings speak about how a phone call with Mikel Arteta swayed their decision to head to the Emirates. Arteta is seemingly brilliant at selling his project to potential signings, and, by the sounds of it, he’s doing the same thing once again with Riccardo Calafiori. Mikel Arteta has spoken to Riccardo CalafioriSpeak…