What were you doing as a 16-year-old kid?
For Gianluigi Donnarumma, the answer to that question would be making your Serie A debut for one of the most storied clubs in football history.
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The teenage goalkeeper was handed his first league start for AC Milan on Sunday, helping the Rossoneri to a 2-1 win over Sassuolo.
After a three-match winless streak, Milan manager Sinisa Mihajlovic chose to start Donnarumma in place of 33-year-old Diego Lopez.
The 16-year-old gave up just one goal in his league debut, as Domenico Berardi beat the youngster with a brilliant free kick into the top corner.
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Donnarumma made his first appearance for AC Milan this summer in a preseason friendly against Real Madrid, coming on as a late substitute before the match went to a penalty shootout. Milan would go on to lose the shootout 10-9, although the young keeper did make a stop Toni Kroos.
His older brother Antonio, 25, also plays as a goalkeeper for Serie A side Genoa.