Exciting uncertainty breeds anticipation, and that's exactly the feeling around Arsenal right now as the north London club enter a new era. Unai Emery will take charge of his first Premier League clash as Gunners boss on Sunday, when Manchester City travel to the Emirates Stadium, and there are plenty of  curiosities yet to be answered. The most significant of those, at least in the short-term, is undoubtedly how Emery will actually set up his side. The Arsenal manager has tested a few different formations and plenty of different personnel in pre-season, so how should the Gunners line up for his first competitive clash at the helm? Football FanCast lay out three suggested solutions ahead...
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