play 1:05 Arteta: Gyökeres knows what the No. 14 shirt means to Arsenal Arsenal manager Mikel Arteta believes new signing Viktor Gyökeres understands the importance of the number 14 shirt to the club. Arsenal had originally hoped to have Gyökeres on their preseason tour from the outset before talks slowed with Sporting. Style of play and robustnessplay 1:44 Will Viktor Gyökeres lift Arsenal to the Premier League title? The club's two open training sessions on the tour saw Arteta play a highly active role, physically pushing players around and joining in the sessions himself.