If Arsenal are to become Premier League champions for the first time since 2004, then they’ll need to avoid a major setback against Manchester City on Sunday. Football fans are in line for an Easter treat, with two of the biggest and best sides in the country poised to lock horns at the Etihad Stadium. Arsenal go into the match sitting top of the table, with Mikel Arteta’s side on song as they look to end 20 years of hurt. But City, while not at the same level they were last season, will represent their biggest test of the campaign so far. A few years ago, the prospect of Arsenal being close t…