Preseason is always one of the most intriguing periods of the footballing year, but Arsenal fans haven't enjoyed this level of positive uncertainty for an incredible 23 years – the last time a new manager was put in charge of the club ahead of a new season. Add to the fact Unai Emery brings particularly fresh and foreign ideas with him to the north London dugout and these few weeks ahead of the new Premier League season represent a spell of frenzied speculation; who fits into the new gaffer's plans, who could end up being sold, how exactly will he set up and which youngsters could earn permanent promotions to the senior team? In a bid to answer some of those questions, here's...
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