Arsenal look set for a busy end to the summer transfer window as Mikel Arteta looks to add the finishing touches to his squad. In terms of new recruits, the Gunners have signed Riccardo Calafiori from Bologna and arenow set to add Real Sociedad’s Mikel Merino to their ranks. Arsenal have also been busy on the outgoings front, having already let several first-teamers leave this summer, and more could soon follow. Now, a report has emerged linking the Gunners with a Premier League veteran, but Highbury legend Martin Keown isn’t so keen. READ MORE: The current Arsenal player who will benefit most…