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At 6ft 5in, Donnarumma cuts an imposing figure.
But unlike many of his peers, he has a slightly different tactic for penalties.
Many goalkeepers use the moments before a penalty is taken to attempt to 'get into the head' of the taker - slowing down the taking of the penalty, retrieving the ball for the taker or moving along their line.
Donnarumma is different.
Laidback and calm, the Italian barely moves until the player puts the ball on the spot.
"The idea behind that is to stand as slim as you can to start with," former Liverpool defender Stephen Warnock told Football Daily.
"The ball goes on the spot, now you're putting doubt in their mind, you spread yourself, make yourself big and awkward, making the goal look smaller.
"You don't do that when they're walking forward.
You do it when the ball is on the spot to put doubt in their mind in the last seconds."
Donnarumma remained level-headed after both of his penalty saves, barely celebrating as he prepared for the next.
"I'm sat here watching Donnarumma and thinking, 'Wow, look at the size of him!'" Warnock added.
"How imposing is he in that goal?