Following the conclusion of the international break, Mikel Arteta will have his entire focus on Arsenal’s trip to face Manchester City on Sunday. The Gunners lost 4-1 at the Etihad in April of last season, and Arteta will know how important a win this time around could be for the squad’s mental belief. Significantly, Arsenal were without William Saliba on that occasion, with Rob Holding replacing the Frenchman at the back. But with Saliba now fit, and Declan Rice at the club this season, there’s every reason to believe that things will transpire differently. Of course, there are still some inj…