Mikel Arteta’s summer of spending at Arsenal is yet to get up and running but the Spaniard could be set to see that change. Arsenal are yet to see any new faces come through the doors at the Emirates Stadium this summer. And there are yet to be any major exits from the club with the Gunners remaining fairly quiet in the market almost one month into the window. However, the north London side are looking to make a major statement in the market with the potential signing of Riccardo Calafiori. It is believed Arsenal are now closing in on the signing of Calafiori with an agreement between the club…