Arsenal need more defensive depth, and are scouting several targets across Europe as they aim to find someone they can add to the squad without breaking the bank. Jorrel Hato of Ajax has been linked, but a summer move appears more likely, and Arsenal could also do with a right-sided defender given that Ben White has been playing through injury since November. One name which has regularly popped up over the last year is Galatasaray right-back Sacha Boey. The 23-year-old has been outstanding for the Turkish giants, and an eventual big move seems inevitable. However, it also appears that Boey may…