Mikel Arteta has opened up about Arsenal’s signing of Riccardo Calafiori and has stated what the Italian can offer to his squad. Arsenal confirmed the signing of Riccardo Calafiori on Monday (July 29th) after the Gunners struck an agreement with Bologna for the signing of the Italian defender. The Gunners have been frustrated in the transfer market but the signing of the Italian represents their first major deal of the window as the club hope to win the Premier League title under Mikel Arteta. Calafiori will slot in seamlessly to the Arsenal back four with Takehiro Tomiyasu set to provide comp…