Should Arsenal’s underwhelming start to the season continue, there is one fact that Arsène Wenger knows will repeatedly be uttered as criticism in his direction: Arsenal were the only club in one of Europe’s top five leagues not to sign a single outfield player this summer. The Gunners’ transfer window had started positively, when the capture of Petr Cech from Chelsea delivered a long-sought commanding presence in goal. But as Arsenal remained quiet with the deadline drawing ever nearer, frustration grew, especially with the squad’s main deficiencies so evident out on the field.