Gianluigi Donnarumma is quite something.
The wonderkid turned 19 on Sunday, and, despite his youth, he is already AC Milan's starting goalkeeper, an Italy international, and is regarded as one of the best keepers in Europe.
In fact, he has already played 109 matches for the Rossoneri, despite not turning 20 for another 364 days!
He is sure to be one of the most played teenagers in the history of the sport by the time he turns 20, but who has that honour in the Premier League ?
Click the right arrow, above, to see the 10 teenagers who made the most Premier League appearances before their 20th birthdays...