10 minutes on the clock, 50 players to guess.
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NOW TRY Quiz! Can you name Manchester City's top 50 most expensive signings?
Ethan Nwaneri is so young that he was born after the Zinedine Zidane headbutt on Marco Materazzi. Bukayo Saka was already in school when he was born.
The wonderkid became the youngest-ever Premier League footballer at the weekend when he came on in the dying minutes of Arsenal's 3-0 win away to Brentford – and he's the first 15-year-old to ever play at this level. It's a remarkable achievement.
Nwaneri is so young, in fact, that he had to get changed separately to his teammates. He could feasibly be hitting his prime in 2037. Anyone else feeling old, yet?
The rest of the faces on this list are all 16 or 17 – ancient, compared to Ethan. Let's see how many you remember.
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