It was a double save worthy of pretty much any superlative. Take your pick. Exceptional, outstanding, incomparable.
How David Raya denied Mateo Retegui not once, but twice, only he knows. It required every inch of his elasticity and was the difference between Arsenal leaving Italy with a point or nothing.
Not that they deserved much, their display hampered by a willingness to cede the ball to their opponents and struggle to get into attacking positions.
On 51 minutes, Atalanta's Retegui stood still on the penalty spot, ready for his spot-kick after Thomas Partey had fouled Ederson.