Juventus - chasing a seventh consecutive title - are back to within a point of the leaders. We're going to leave you there. Thanks for joining us tonight.
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It's all over. Both this game and Napoli's unbeaten record.
We're into the last seconds and Christian Maggio heads to Gianluigi Buffon. Last chance?
Corner to Napoli. Pepe Reina DOES come up. And the corner is cleared by the first man. Booooooo. Napoli get the ball back as Reina runs home.
Napoli have numbers forward - and Marek Hamsik passes right to a Juventus player. Sums up their night.
Four minutes added on for Napoli to find a way to keep their unbeaten record going.
Fair play to Juventus, Gonzalo Higuain, Paulo Dybala, Douglas Costa (when he was on the pitch) have all done defensive jobs. They've really worked hard to lead this game.
Jose Callejon's cross is too far for his team-mate at the back post. I don't think this is going to happen.
This has been so disappointing for Napoli. So many misplaced passes.
Corner to Napoli. It's not quite Pepe Reina coming forward time yet. Just as well since Gonzalo Higuain clears it.
Juventus bring on another defender to the party, Andrea Barzagli replaces Mattia de Sciglio.
Juventus holding firm as you'd expect. They clear a succession of crosses. Dries Mertens has a shot, saved, but he was offside.
Ten minutes to go. Napoli haven't created a chance since losing Lorenzo Insigne.
Juventus make a switch now. Douglas Costa walks off at about a mile an hour and gets a shove from a Napoli player. Juan Cuadrado comes on.
It is the end of Lorenzo Insigne's night. Algeria international Adam Ounas, who has barely played all season, comes on.
Confusion. Gianluigi Buffon, who didn't know Lorenzo Insigne was offside, comes off his line to stop the ball with his feet, catching the Napoli playmaker in the process.
Insigne is injured and is getting treatment at the moment. Is he going to have to come off?
So close! Lorenzo Insigne is found by Marek Hamsik on the left, he chests the ball and lets it bounce and then smashes an effort across goal and just wide of Gianluigi's post.
A corner to Napoli, which comes to nothing. A goal for them would be so huge right now. Will they lose all their momentum if Juve end their unbeaten run tonight?
What a save! Blaise Matuidi looks like he's seen a ghost. The France midfielder hits a first-time volley from six yards out which looks like it's going to fly into the goal. But Pepe Reina somehow gets a hand to it and turns it over the bar.
Napoli make the first change. Piotr Zielinski replaces Allan in midfield.
Juve make a switch seconds later, also in midfield, Sami Khedira comes off for Claudio Marchisio.