Former Arsenal defender, Mikael Silvestre has raised concerns over Arsenal’s defensive transfer target Matthijs de Ligt, who currently plays for Bayern Munich. Arsenal is reportedly eyeing a move for the Netherlands international to strengthen their central defensive department, according to The Athletic. The Gunners already have the likes of William Saliba and Gabriel in the central defensive position. Takehiro Tomiyasu, Ben White, Jakub Kiwior and Jurrien Timber can also play in the position. However, Silvestre is not sure of De Ligt’s potential impact upon arriving at the Emirates Stadium. …