Arsenal defender William Saliba has now provided an insight into what working with Oleksandr Zinchenko is like on a day-to-day basis. William Saliba and Oleksandr Zinchenko have shared the pitch for Arsenal many times. There is certainly an argument that Mikel Arteta’s first-choice back four includes both the French centre-back and the Ukrainian left-back. However, Zinchenko now faces a fight to get his Arsenal starting berth back due to the form of Jakub Kiwior. The former Manchester City man may well have slipped down the pecking order at the Emirates Stadium somewhat. Is Oleksandr Zinchenko…