Manchester City and Arsenal will lock horns on Sunday in what is likely to be one of this season’s defining Premier League clashes. Pep Guardiola’s Citizens and Mikel Arteta’s Gunners contested a superb title race last season and they’re doing it again this term, alongside Liverpool. Arsenal currently sit top of the standings on 64 points, but Liverpool are level on points in second and Man City are just a point behind in third. Neither side could’ve asked for a harder fixture to get the run-in under way after the international break. But for fans, and enthralling spectacle beckons between two…