By Ewan Murray The biggest game of the Premier League season arrives on Sunday afternoon as reigning champions Manchester City host last term’s runners-up Arsenal. Pep Guardiola’s side are the only team in the division with a perfect record after four successive victories but they will be offered their sternest test yet when Mikel Arteta’s men turn up at the Etihad. Arsenal shaded meetings between the two sides last term, winning at the Emirates Stadium and in the Community Shield and earning a draw on the road. Man City were frustrated midweek when they hosted Inter in the Champions League – …