Pellegrini once again does really well to get past Cuadrado down the left and squares the ball into the six-yard box from the byline. He's looking for Pedro at the near post, but Can is there ahead of him to clear it.
89'
Nainggolan isn't picked up on the edge of the box and he has time to set himself before curling his shot around Pjanic and Bonucci towards the goal. It bounces just in front of Szczesny, but the goalkeeper holds onto it.
87'
There's a mix-up at the back for Cagliari and it almost results in an own goal. Higuain's shot is blocked by Klavan, but it bounces off Walukiewicz and looks like it's going to cross the line before the keeper gets back to clear his lines.
85'
C. Oliva enters the game and replaces L. Cigarini.
Cigarini is making way for Cagliari with Oliva coming on in his place.
83'
E. Can enters the game and replaces B. Matuidi.
Final change for Juventus now and it's Can that's coming on for Matuidi.
82'
Cristiano Ronaldo has scored a goal for Juventus! Assist by Douglas Costa.
RONALDO HAS HIS HAT-TRICK! Nobody is picking him up on the left of the box when he gets the ball. He has time to take a touch before hitting his shot under Olsen's legs and into the back of the net. 4-0 Juventus!
Costa draws the Cagliari defenders towards him with his run into the box before squaring the ball into Ronaldo to set up the goal.
81'
G. Higuaín has scored a goal for Juventus! Assist by Cristiano Ronaldo.
HIGUAIN MAKES IT THREE! He has no one with him in support when he gets the ball on the left of the box and he cuts inside to get past Klavan and drills his shot into the bottom corner. 3-0 Juventus!
It's a great pass into Higuain from Ronaldo who plays his throughball down the left to pick out the substitute.
80'
Douglas Costa enters the game and replaces A. Ramsey.
A. Cerri enters the game and replaces G. Simeone.
Cagliari make a change now as well and it's Cerri coming on for Simeone.
Sarri brings off Ramsey for his second change and Costa is on in his place.
78'
Farago lays the ball off to Nandez on the right and he curls another good cross into the box, this time towards the far post. It's over Pedro's head and Cuadrado heads it back to Szczesny.
Minute
Description
76'
Cagliari look dangerous every time they go forward at the moment as Nainggolan gets away from Matuidi and picks out Nandez on the right. It's a good cross from him, but no one's made the run to the near post and it's cleared by Bonucci.
74'
Farago cuts inside before looking for Pedro in the middle with his cross. It's just ahead of him though and Demiral gets there first to clear the danger for Juventus.
70'
G. Higuaín enters the game and replaces P. Dybala.
The first change from Juventus sees Dybala coming off to be replaced by Higuain.
69'
Cagliari are keeping the ball well following the restart and are patiently playing out from the back. An overhit pass from Nainggolan into the box misses Simeone though and is collected by Szczesny.
67'
Penalty goal scored by Cristiano Ronaldo for Juventus!
RONALDO SCORES THE PENALTY! It's a confident run up from the edge of the box from Ronaldo and he sends Olsen the wrong way as he sidefoots his spot-kick into the bottom right corner. 2-0 Juventus!
65'
It's a great interception from Nandez in midfield and he turns before setting off on the counter-attack. He has to slow down as he waits for support to get up with him, but that gives Bonucci a chance to win the ball back.
61'
P. Faragò enters the game and replaces F. Cacciatore.
The first change of the game is made by Maran as he brings on Farago for Cacciatore.
59'
Ronaldo does really well to hold onto the ball as Cigarini and Walukiewicz both try to win it from him. He dribbles past them to the edge of the box before having a shot, but it's blocked by Cacciatore.
57'
It's all Juventus still and they're switching play to the right as Ronaldo can't find any space on the left. Dybala cuts inside and tries to play a throughball into Ramsey on the edge of the box, but Cacciatore cuts it out.
53'
Cagliari just can't get a touch on the ball at the moment and are being pegged back in their own half as Juventus continue to push forward. It's patient from the home side as they try to open up some space in midfield.
49'
Cristiano Ronaldo has scored a goal for Juventus!
RONALDO SCORES! It's a really poor pass from Klavan to Walukiewicz and Ronaldo reacts quickly to intercept it. He takes the ball around the goalkeeper to the right of the box and fires his shot back into the far side of the net. 1-0 Juventus!
48'
JP Galvão gets yellow.
As soon as Pedro is back on his feet and going to the edge of the pitch with the medical team, the referee shows him a yellow card for the challenge.
46'
Cagliari get us back underway for the second half!
45' +2
HALF-TIME: JUVENTUS 0-0 CAGLIARI.
45'
Juventus have all of their outfield players in Cagliari's half of the field as they try to peg them back. Pellegrini can't find a pass to play so ends up playing it against Rabiot to win a throw-in.
43'
Again, Cagliari just can't get close to Juventus as they patiently make their way upfield and Ramsey gets his head up before picking out Ronaldo on the edge of the box. He tries to curl his shot towards the top left corner, but it's caught by Olsen.
41'
A. Rabiot gets yellow.
Rabiot is shown the first yellow card of the game after catching Simeone with a late challenge during the counter-attack.
It's a good counter-attack from Cagliari as they move upfield with pace and catch Juventus out. It's Nainggolan that gets the ball in the box and he has a chance to have a shot but gets the ball stuck under his feet before knocking it out of play.
39'
Pellegrini is trying to make something happen down the left as he tries to put another deep cross into the box. It's cleared by Demiral and he tries to set Ramsey off on the counter-attack, but it's well cut out by Cigarini.
37'
Cagliari just can't get hold of the ball at the moment as Juventus continue to dominate and push forward in search of the breakthrough. Pjanic tries a throughball to Dybala but overhits it and Olsen comes off his line to collect it.
34'
Cagliari are trying to push forward down the right with Nainggolan and Cigarini, but they're being crowded out by Juventus players. There's no space for them to go into and they end up losing the ball to the home side.
32'
Ramsey picks out Ronaldo on the edge of the box and makes a run into the middle so he can get the return pass. Ronaldo tries to square it to him, but Klavan is in the right place to make the interception and clear Cagliari's lines.
28'
Nobody goes out to Matuidi on the left and he chips a good cross into the middle of the box. Ronaldo rises high but can't quite get on the end of it so it goes through to Dybala. He hits it first time but fires his effort high over the bar.
26'
Cuadrado is being given a lot of space down the right wing and he curls another good cross into the box. Olsen is quickly off his line though and punches the ball away before Ronaldo can reach it.
24'
Juventus are starting to put even more pressure on Cagliari now and are passing it around with confidence on the edge of the box. Matuidi touches it onto Ramsey on the edge of the box and he drills his effort to the near post, but it's caught by Olsen.
22'
Juventus are asking for a penalty after Dybala was brought to ground just inside the box. There didn't look to be too much in it as Cagliari come away with the ball and the referee is quick to wave the claims away.
20'
Cuadrado plays a brilliant one-two with Ronaldo on the right of the box to make some space for himself and get one-on-one with the keeper. He cuts it back to Ronaldo in the middle instead of shooting, but two Cagliari defenders slide in front of him to make an important block.
18'
It's clever play from Juventus as they work it down the right wing and Ronaldo has space to try and create a chance for his team. He cuts it back to Ramsey but Rog is there to cut it out.
16'
Pellegrini spots Simeone's run through the middle and tries to pick him out with his cross. It's just short though and Bonucci gets ahead of him to intercept it and clear Juventus' lines.
14'
Ramsey does well to get past Klavan on the right of the box and chip his cross back into the middle. Ronaldo runs onto it and hits the shot on the volley, but it's blocked by Walukiewicz.
12'
Juventus have a free-kick quite a long way out, but Ronaldo's standing over it and he clearly fancies his chances. He tries to drill it towards the goal, but can only send the ball into the wall.
9'
Cagliari can't clear their lines properly after Cuadrado puts a deep cross into the box and Klavan heads it as far as Alex Sandro on the edge of the box. He has a first-time shot, but it's a wild effort that sails high over the crossbar.
8'
Juventus' passing in the final third is letting them down at the moment as Cuadrado overhits a cross into the box. The home side keep hold of it and Demiral has a chance to play in the right-back again, but his pass is cut out well by Pellegrini.
6'
Ramsey wins the ball back for Juventus in midfield and picks out Rabiot on the right. He has time to pick out a cross into the box, and he's looking deep for Ronaldo, but it's over his head at the far post.
4'
Cagliari are holding onto the ball well in the opening couple of minutes and are trying to move the ball upfield with a lot of pace. Pellegrini plays a first-time pass down the left, but it's just ahead of Pedro and he can't get onto it.
2'
Cacciatore plays a good throughball forward into the box for Simeone to run onto. It looks at first like he's going to be in on goal, but Bonucci stays tight to him, closes down the angle and forces him to pass it back.
1'
Dybala gets the game underway for Juventus!
Hello and welcome to live coverage of the Serie A meeting between Juventus and Cagliari at the Allianz Stadium!
With a win today, Juventus have the chance to leapfrog Inter, who don't play until later, at the top of the table once again. They've lost just two of their last 10 games in all competitions (W7 D1), although one of those defeats came last time out when they lost the Supercoppa Italiana final to Lazio. They face a Cagliari side who are looking to start off the new year with a win to end their three-match winless run in Serie A (D1 L2).
JUVENTUS STARTING XI (4-3-1-2): Wojciech Szczesny; Juan Cuadrado, Merih Demiral, Leonardo Bonucci, Alex Sandro; Adrien Rabiot, Miralem Pjanic, Blaise Matuidi; Aaron Ramsey; Paulo Dybala, Cristiano Ronaldo.
JUVENTUS SUBS: Gianluigi Buffon, Daniele Rugani, Emre Can, Marko Pjaca, Danilo, Douglas Costa, Gonzalo Higuain, Carlo Pinsoglio, Matthijs De Ligt, Federico Bernardeschi, Mattia De Sciglio.
CAGLIARI STARTING XI (4-3-1-2): Robin Olsen; Fabrizio Cacciatore, Sebastian Walukiewicz, Ragnar Klavan, Luca Pellegrini; Nahitan Nandez, Luca Cigarini, Marko Rog; Radja Nainggolan; Giovanni Simeone, Joao Pedro.
CAGLIARI SUBS: Rafael, Charalampos Lykogiannis, Alessandro Deiola, Christian Oliva, Lucas Castro, Giuseppe Ciocci, Paolo Farago, Alberto Cerri, Federico Mattiello, Artur Ionita, Valter Birsa, Riccardo Doratiotto.
The teams are out on the pitch now, with kick-off just moments away.
Sarri will want his side to continue playing the way they did in the first half, but he will be expecting them to be more clinical in front of goal as they haven't tested Olsen too much. As for Maran, he will want a much better display from his team after the break and they need to keep hold of the ball better if they want to cause Juventus any real problems.
That's all for today, goodbye!
That win means that Juventus go back to the top of the Serie A table, at least until later on when Inter face Napoli. Sarri will also be pleased that they've improved their goal difference as that was the only thing separating the two teams heading into today. They face Roma next time out. As for Cagliari, their winless run continues, but they do stay in sixth. Next up for them is a visit from Milan on Saturday.
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