Arsenal kicked off their Premier League campaign with a 2-0 victory over Wolves, but it was not a straightforward game. Goals from Kai Havertz and Bukayo Saka handed Arsenal all three points, and beginning the campaign with a clean sheet was certainly a positive for Mikel Arteta. Arsenal were dominant, but they were sloppy at times in what felt like an extension of pre-season, and Wolves did have some openings. Goalkeeper David Raya completed his permanent move to Arsenal this summer after arriving on loan last year, and this was a game in which he really stepped up. Centre-backs William Salib…