Read our Privacy noticeFrom RAF pilots to training ground noise, Mikel Arteta is a man for whom the small details are key. open image in gallery Martin Zubimendi played a key role as he came off the bench ( Arsenal FC via Getty Images )This sudden squad depth is not all bought, of course. The introduction of Ethan Nwaneri and Myles Lewis-Skelly in the 75th minute showed that the Gunners are not just big spenders. Further introductions included Gabriel Martinelli – who scored key goals against Manchester City and Athletic Bilbao – and midfielder-turned-makeshift-striker Mikel Merino, who himself has chipped in with key goals at times. However, there is a feeling that this could be Arsenal’s best chance yet, and the Gunners may have turned a key corner in their bid for a first Premier League title since 2004.