August 9, 2015. It’s the opening weekend of the new Premier League season. Arsenal welcome West Ham to the Emirates Stadium on a warm summer’s afternoon. Aged just 16 years and 237 days, Reece Oxford is making his league debut to become the second-youngest starter in the competition’s history. Just over a month earlier, at 16 years and 198 days old, he became the club’s youngest-ever player, when he started in a Europa League qualifier against Andorran outfit FC Lusitanos. Oxford is thrown in at the deep end: his first task is to keep tabs on Mesut Ozil. Nothing comes easy in this league.