Arsenal signing Riccardo Calafiori this summer could have an impact on one current player’s role in the side. The Gunners have been working hard on new signings in this window, but the only incoming at the Emirates Stadium so far has been David Raya’s loan being turned into a permanent deal. However, reports have claimed that Arsenal are closing in on the signing of Calafiori, and a deal could even be completed in the coming days. The Italian is expected by many to be a great signing for the Gunners, but his arrival could spell danger for one of Mikel Arteta’s key men at the club. Gabriel Maga…