Despite handing Napoli the lead early on in Turin, the 'Old Lady' came out 3-1 winners on Saturday thanks to goals from Mario Mandzukic and Leonardo Bonucci.
Speaking to the club's official website after the game, Sandro was happy with the display from his teammates.
"They started well – we made a mistake playing the ball out and they punished us for that. But we kept our concentration for the full 95 minutes and not many teams can do that.
"This was a six-pointer and we put in a great display. We need to keep going like this, improving in defence and retaining our focus.
"Cristiano Ronaldo had a splendid game – we should really credit him for that. He took us up another level. He works every day to improve himself and we’re doing the same."