Manchester City are closing in on the signing of a rumoured Arsenal target, according to Gianluca Di Marzio. Arsenal have been tracking a number of players at Euro 2024 and are close to agreeing a deal to sign Riccardo Calafiori. Spain’s jet-heeled winger Nico Williams is another name on their shortlist and so too is Mikel Merino, who has been personally contacted by Mikel Arteta. The Gunners have also been linked with another Spanish player but it seems title-winners Manchester City have stolen a march on his signature. Manchester City want to sign Dani Olmo by TuesdaySky Italy journalist Gia…