In their ambition to add an ‘x-factor’ to their attack this summer, Nico Williams was believed to be Arsenal’s number one target. Mikel Arteta wanted Williams at Arsenal, a player whose reputation skyrocketed at the Euros, playing a vital role in Spain winning another major honour. For all watching it was obvious why Williams would excel at Arsenal, one of very few talents in Europe who could definitely displace Leandro Trossard and Gabriel Martinelli on the left. And although Arsenal have been applauded for signing Raheem Sterling by the likes of Alan Shearer, some of the club’s supporters ma…