A couple of his interventions were determinant for the final outcome. It could have been easily 2:1 before the half time...
Here's the thing to point out. Those interventions, also in the 2nd half, would have been much harder to attain for Pena, if not impossible.
A few more displays like that, nobody is going to lament after Inaki Pena. After all you got a guy who replaced the great Gigi Buffon at Juve, for God's sake.