Gabriel Magalhaes and William Saliba have now agreed on something about one of their Arsenal teammates. William Saliba and Gabriel Magalhaes were on the same page when it came to deciding which current Arsenal star is most likely to become a top manager in future. There are a number of natural leaders in Mikel Arteta’s first-team squad at the Emirates Stadium, and all of them are potentially good future manager material. Martin Odegaard has been deemed the “perfect” Arsenal captain. Meanwhile, Arteta has tipped Declan Rice to one day wear the skipper’s armband for the Gunners in future. Oleksa…