Arsenal are set to face Manchester City in a crucial Premier League title clash at the Etihad Stadium on Sunday, and this has not been a happy hunting ground. Mikel Arteta will hope to end a nine-year winless streak at Man City with a statement victory on Sunday, which would send Arsenal four points clear of their title rivals. This will be easier said than done, as Arsenal have never even earned a point at the Etihad since Pep Guardiola’s arrival, with a 2-2 draw in 2015-16 the last time they avoided defeat there. Arsenal’s last win came in January 2015 in a surprisingly excellent 2-0 victory…