Ramirez fouls Ronaldo as the game draws to a close and picks up a late yellow card.
90' +4
The game is getting rather ill-tempered as it draws to a close, with plenty of fouls from both sides.
90' +2
G. Caprari gets a second yellow card and is sent off.
Caprari fouls Demiral and picks up his second yellow card of the game. He's off and Sampdoria are down to 10 men!
87'
Murillo goes for goal from distance and duly blazes it over the bar. Not the right decision there.
86'
Sampdoria have been on top as the game draws to a close and are pushing hard for an equalising goal. Juventus just hanging on at the moment.
84'
A corner breaks to Linetty on the edge of the box but he scuffs his attempted half-volley and Juventus clear away.
82'
M. De Sciglio enters the game and replaces Alex Sandro.
Alex Sandro, who made a real difference in attack, now goes off for De Sciglio in Sarri's third and final change.
77'
Douglas Costa enters the game and replaces P. Dybala.
Dybala is now off for Douglas Costa in Sarri's second change.
76'
G. Caprari gets yellow.
M. Demiral gets yellow.
T. Augello enters the game and replaces N. Murru.
Murru is replaced by Augello in Ranieri's final change of the evening.
Demiral fouls Caprari and neither player is happy with the other. Demiral is booked for his poor challenge.
Caprari also earns a yellow card for his part in proceedings.
Minute
Description
75'
The tempo of the game has dropped significantly in the last five minutes or so, with no real chances created at either end.
73'
A Juventus attack breaks down on the right wing and Danilo - bizarrely - hoofs back towards his own goalkeeper, forcing Demiral to sprint back ahead of Caprari and return the ball safely to Buffon.
71'
Juventus are finally dominating the ball, but they are playing far more safe than before, with a lot of sideways passes. They don't seem to feel the need to chase more goals at this moment.
69'
A. Ramsey enters the game and replaces G. Higuaín.
Higuain is now off for Ramsey as Sarri looks to gain greater control of the game. Dybala will play further forward alongside Ronaldo, while Ramsey will link midfield and attack behind the pair.
66'
Ramirez delivers dangerously into the box and it's worked back out to him on the right, where a neat one-two earns his side another corner. However, it comes to nothing.
64'
Murru goes down off the ball and has to be treated for an injury. It looks like he will carry on for the moment, although he is not moving freely.
61'
J. Murillo gets yellow.
M. Gabbiadini enters the game and replaces J. Jankto.
Murillo then earns a booking of his own for a poor challenge out wide that gives Juventus the chance to deliver into the box.
Jankto is replaced by Gabbiadini in a positive second change by Ranieri as he chases an equaliser. The substitute goes up front alongside Caprari, pushing Ramirez into a wider role.
59'
M. Pjanić gets yellow.
Pjanic is not pleased as he is shown a yellow card for what he believes to have been a fair challenge on Caprari.
58'
Juventus are still capable of moments of magic in the final third, but they have not got a firm hold of this game yet and Sampdoria - just a goal behind - may still feel they can nick a point from this one.
52'
Ronaldo goes over in the box as he tries to get on the end of a cross and appears to have hurt his arm in the process. It doesn't appear to be serious, however, and he should be fine to carry on.
50'
M. Léris enters the game and replaces F. Depaoli.
Depaoli is now replaced by Leris as Ranieri makes a change just five minutes into the second half.
49'
Juventus pepper the box with crosses, but can't create a chance to head at goal as Sampdoria just about scramble the ball away.
48'
Ronaldo pulls off a clever turn on the left to leave Murillo completely flat-footed and crosses into the box, but it's turned behind for a corner. That was a lovely piece of skill.
46'
We're back under way for the second half!
45' +4
HALF-TIME: SAMPDORIA 1-2 JUVENTUS
45'
Cristiano Ronaldo has scored a goal for Juventus! Assist by Alex Sandro.
GOAL!! RONALDO HEADS JUVENTUS BACK IN FRONT!! Juventus work the ball around well, stretching Sampdoria and giving Alex Sandro the space to produce a sumptuous cross to the back post, where Ronaldo towers over his marker to head right into the top-left corner past Audero! It's 2-1 to Juventus!
Alex Sandro collects his second assist of the game as he continues to provide quality crosses from the left, picking Ronaldo out with aplomb.
43'
J. Jankto gets yellow.
Jankto cynically hauls Dybala back to prevent a counter-attack and earns himself the first yellow card of the game.
42'
Murru crosses into Caprari at the near post and the striker tries to hold the ball up, but he's outnumbered and can't retain possession.
39'
Sampdoria are struggling to keep the ball for long periods. Colley - who has been superb defensively so far - pings a long ball down the left straight out of play under no pressure and gives it straight back to Juventus.
37'
Juventus look stunned by that strike, but Ranieri's side have been giving a good account of themselves and the Bianconeri haven't been their usual, dominant selves.
35'
G. Caprari has scored a goal for Sampdoria!
GOAL!! CAPRARI THUMPS SAMPDORIA LEVEL!! Ramirez tries to jink his way into the box from the right and passes it into the middle. It goes slightly astray but breaks for Caprari on the left side of the area and the striker thumps home a first-time finish that leaves Buffon with no chance! It's 1-1!
34'
Demiral is furious as he's penalised for a soft-looking foul on Ramirez in a dangerous position on the edge of the box on the right. Caprari's resulting free-kick is easily blocked, however, and the subsequent corner is flicked wide.
31'
Higuain gets to the ball in the box first and bursts past Ferrari before smashing a low cross towards Ronaldo at the back post, but it's hacked behind for a corner by Colley.
29'
Ronaldo stays down momentarily after a fantastic challenge by Colley in the right corner, before Rabiot gives a foul away and he gets to his feet. That was an inch-perfect sliding tackle by the Sampdoria defender.
27'
Sampdoria advance the ball down their left flank and work it into the edge of the box before Caprari has a go at goal, but it's straight back off a Juventus defender.
23'
Ronaldo is finding himself wider on the left than he perhaps would like to be, ending up involved with build-up play in deeper positions more often than in the box.
21'
Sampdoria think they're in behind with a chance to equalise almost immediately after the restart, but Caprari is flagged up for offside as he bears down on goal.
19'
P. Dybala has scored a goal for Juventus! Assist by Alex Sandro.
GOAL!! WHAT A HIT BY DYBALA!! And just like that, Juventus are ahead! They've hardly created anything so far, but Dybala connects sweetly with a switch of play from Alex Sandro and steers a left-footed volley from the right side of the box into the bottom-left corner! It's 1-0 to Juventus!
Alex Sandro floated the ball to Dybala well, but the forward took the volley on from an unlikely angle to produce a lovely goal!
17'
Matuidi is somewhat harshly penalised for a foul on Ferrari as he bursts past the defender at the byline and gets into the box. There didn't seem to be much contact there.
16'
Alex Sandro now crosses from the left for Ronaldo in the centre of the area, but the delivery is too high and the Portuguese can only flick his header tamely wide.
15'
Ronaldo twists and turns on the left before firing a low, left-footed cross towards the near post, but Audero is alert to the danger and holds on.
13'
Ronaldo produces an outstanding ball in behind for Higuain with the outside of his right foot from a deep position on the left, but the Argentine is penalised for controlling the ball with his arm as he latched onto the pass. That was a great opportunity.
11'
Juventus are lacking their usual fluidity in the final third, with a few passes going astray so far as they look to create something in the box.
9'
Pjanic inadvertently steps on Linetty as he tries to hurdle a sliding challenge from the latter, who stays down for a minute. He seems like he will be okay to continue, however.
7'
Juventus win their first corner of the game but Dybala's delivery sails past everyone in the middle and is retrieved by Alex Sandro, who simply recycles possession.
5'
Juventus have started a little sluggishly in this one. They will be looking to dominate the ball far more assertively than they are currently over the course of the match.
1'
We're under way at the Stadio Luigi Ferraris!
Hello and welcome to our LIVE coverage of the Serie A fixture between Sampdoria and Juventus at the Stadio Luigi Ferraris in Genoa, Italy.
Reigning champions Juventus have the chance to move - at least temporarily - three points clear of title rivals Inter with a win over a struggling Sampdoria side that find themselves just two points clear of the relegation zone.
Sampdoria substitutes: Emiliano Rigoni, Mehdi Leris, Marco Pompetti, Tommaso Augello, Fabio Quagliarella, Andrea Seculin, Manolo Gabbiadini, Gonzalo Maroni, Vasco Regini, Wladimiro Falcone, Julian Chabot.
Juventus XI (4-3-1-2): Gianluigi Buffon; Danilo, Merih Demiral, Leonardo Bonucci, Alex Sandro; Adrien Rabiot, Miralem Pjanic, Blaise Matuidi; Paulo Dybala; Gonzalo Higuain, Cristiano Ronaldo.
Juventus substitutes: Douglas Costa, Daniele Rugani, Juan Cuadrado, Federico Bernardeschi, Mattia De Sciglio, Carlo Pinsoglio, Manolo Portanova, Aaron Ramsey, Emre Can, Marko Pjaca, Matthijs de Ligt, Mattia Perin.
Sampdoria XI (4-4-2): Emil Audero; Jeison Murillo, Alex Ferrari, Omar Colley, Nicola Murru; Fabio Depaoli, Morten Thorsby, Karol Linetty, Jakub Jankto; Gaston Ramirez, Gianluca Caprari.
Juventus haven't hit top gear in this one and Sampdoria have given a good account of themselves, but the quality in the Bianconeri's ranks has bailed them out, with two moments of brilliance enough to put them in front at the break. Ranieri can take plenty of positives from the first half - Colley's individual defensive performance in particular being one of them.
Thank you for joining our coverage, we hope you enjoyed the game. Until next time, goodbye!
Sampdoria travel to face Milan next, while Juventus play Lazio in the final of the Supercoppa Italiana.
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