By Jack Gallagher Despite interest from Juventus, Liverpool, Real Madrid and basically every other top European side, Arsenal have won the race to sign Riccardo Calafiori this summer. The highly rated defender has put pen to paper on a deal at the Emirates Stadium, adding even more defensive might to an already extremely impressive Arsenal lineup. So now that his move has been officially confirmed, here’s everything Arsenal fans need to know about Calafiori. What are his strengths? Tune in to 90min’s YouTube channel as Harry Symeou gets the expert lowdown on Riccardo Calafiori from Italian foo…