3) Gianluigi Donnarumma (AC Milan – 6420 minutes)
The second goalkeeper on this list, the Italian international played almost every game for Milan last season as they finished second in Serie A and reached the last 16 of the Europa League.
The decision to let Donnarumma go on a free transfer will surely come back to haunt the Rossoneri, especially as the shot-stopper is still just 22 years of age.
