A late yellow card for Martial as he kicks the ball away in frustration after conceding a free-kick.
90' +4
SAVE! A chance for Rashford to seal the victory for United as the visitors hit on the counter. Martial fed a pass through but Szczesny is quick off his line to make a big save, deflecting the ball behind for a corner.
90' +3
We are into four minutes of added time, as Juventus throw everything forward in a desperate attempt to secure a point that would put them into the latter stages of the Champions League.
90' +2
M. Mandžukić enters the game and replaces J. Cuadrado.
A late change for Juventus in attack as Mandzukic takes the place of Cuadrado for the final minutes.
90' +1
Well, that was certainly unexpected. Juventus have been on the front foot throughout and looked to be out of sight after Ronaldo opened the scoring but United have taken advantage of two set-pieces to snatch the lead and what could be a famous victory.
89'
L. Bonucci is unfortunate, scores an own goal!
GOOOOOOOOAL! 2-1 Manchester United! Unbelievable! Young takes a free-kick near the touchline and curls in a dangerous cross that goes all the way through. Szczesny does not deal with it properly and pushes it onto Bonucci, then bouncing off Alex Sandro and into the net.
88'
Szczesny has had barely anything to do in this match and he could do nothing to prevent Mata from scoring a superb equaliser. A point is still enough for Juventus to qualify but they will certainly be extremely frustrated.
86'
Mata has scored a goal for Manchester United!
GOOOOAL! 1-1! Mata steps up to dispatch the free-kick superbly as he lifts the ball over the ball and beyond the reach of Szczesny. A superbly struck attempt and one that could prove to be priceless in United's Champions League campaign.
85'
Big chance for Manchester United as Matuidi is penalised for a foul on his compatriot Pogba just outside the area, in a position where they can fire an attempt at goal.
Minute
Description
83'
A. Barzagli enters the game and replaces M. De Sciglio.
The hosts make a defensive change as De Sciglio is replaced by Barzagli.
81'
Juventus have the lead and look to be in control. Not only are they set for a fourth consecutive victory in the group stage this season, Allegri's side are also yet to concede.
79'
Mata enters the game and replaces Ander Herrera.
M. Fellaini enters the game and replaces A. Sánchez.
Double change for United as they attempt to claw their way back into the game, the first of which sees Mata replace Herrera.
Fellaini also enters the field, taking the spot of Sanchez.
WIDE! Rashford tries to test Szczesny from distance with a driven shot but his attempt flies past the post, with the former Arsenal stopper looking to have it covered.
75'
Ander Herrera gets yellow.
P. Dybala gets yellow.
HUGE MISS! Juventus are full of confidence and should have doubled their advantage! Ronaldo cuts inside, taking two United defenders out of the game, before tapping a pass across to Cuadrado but he fires his shot over the bar.
Strangely, Dybala is also booked for the same incident but does win the free-kick so it appears the referee took an issue with his reaction to the challenge.
Herrera picks up a deserved yellow card for a pull on Dybala off the ball.
73'
MISS! Pogba is caught sleeping and Juventus steal the ball, with Cuadrado cutting a pass back to Pjanic in the box but the midfielder's attempt is way off target.
70'
M. Rashford enters the game and replaces J. Lingard.
Manchester United are looking for a response and turn to Rashford, who scored the winner at the weekend against Bournemouth. He takes the place of Lingard.
67'
The home support has been sparked into life as a result of Ronaldo's stunning goal which, as it stands, would seal Juventus' spot in the knockout stages of the Champions League.
65'
Cristiano Ronaldo has scored a goal for Juventus! Assist by L. Bonucci.
Ronaldo's finish was sublime but you will struggle to find a better delivery than Bonucci's. It was far from hit and hope, he found his target in style and the deadlock has finally been broken.
GOOOAL! 1-0 Juventus! Bonucci plays a superb ball from the halfway line over the top of the United defence to Ronaldo, who has burst into space, and he smashes home a first-time effort to net his first Champions League goal since his switch from Real Madrid.
63'
Brave defending by Shaw as he heads Ronaldo's threatening delivery away ahead of Cuadrado, earning a free-kick for his efforts.
61'
B. Matuidi enters the game and replaces S. Khedira.
Allegri is the first to shuffle his deck in the game, swapping Khedira for Matuidi in the heart of midfield.
60'
Pogba and Ronaldo have both been fairly quiet against their respective former sides, with the former in particular struggling to find space on the ball.
58'
Edging towards the hour mark and United are still yet to properly threaten Szczesny, who has had a very quiet evening between the posts for Juventus.
55'
Alex Sandro gets yellow.
Alex Sandro becomes the first Juventus player to be booked in the game for the incident with Young.
52'
Juventus are still looking the more dangerous of the two sides but United still look fairly confident. It has not gone their way in attack but defensively they have done well to limit the opportunities that the hosts have.
49'
Martial cuts inside onto his right foot and tries to curl a finish into the far corner beyond the reach of Szczesny but his attempt bounces wide of the mark.
46'
Juventus get the action back underway for the second half.
45' +1
HALF-TIME: JUVENTUS 0-0 MANCHESTER UNITED
45'
There will be a single minute of additional time at the end of the first half.
43'
Shaw fouls Ronaldo and Dybala's free-kick delivery is extremely inviting, bouncing inside the six-yard box before United hook the ball behind for a corner which comes to nothing.
41'
United have the ball inside the Juventus half and manage to ease the consistent pressure placed upon them but a poor ball is easily collected by Szczesny, allowing the hosts to build another attack.
39'
Pjanic drills a corner to Dybala on the edge of the area and he tries an attempt at goal from outside the area but his shot is blocked.
37'
Juventus seem to have turned up the heat in the past few minutes and United look rattled. Mourinho needs his side to respond as they are currently pegged back inside their own half.
32'
Sanchez sees a free-kick blocked by the wall and Juventus immediately hit on the counter, as Dybala feeds a pass through to Khedira and he strikes from distance but it is a comfortable save for De Gea.
28'
Still nothing in the way of clear-cut chances for either side at the moment but United will be happy as long as it remains goalless.
26'
United are struggling to get out of their own half and Sanchez is looking extremely isolated leading the line for the Red Devils at the moment, as he is not being given any room to work with.
24'
Juventus are now on the front foot and are putting United under consistent pressure but De Gea is yet to be tested.
22'
Cuadrado is penalised for a foul on Martial and Sanchez takes the opportunity to float a cross to the far post. However, Smalling concedes a foul on Alex Sandro and Juventus earn a defensive free-kick.
19'
It is all rather anti-climactic in the end, as Pjanic's delivery is poor and easily cleared away.
18'
Shaw is penalised for a foul on Cuadrado, which hands Juventus an opportunity to pump the ball into the box. There is a delay though as the referee has spotted some pushing in the area.
16'
United are being patient on the ball as they try to find their rhythm but there is no room for them in attacking areas, with Juventus keeping things very tight at the back.
14'
Mourinho will be pleased with the start his side have made to the game as United have done well to ensure Juventus are yet to have any clear-cut opportunities. However, he will want improvements in the attacking third.
12'
N. Matić gets yellow.
Matic clatters into Dybala with a poor challenge in midfield and earns the game's first yellow card.
11'
First real threatening moment for Juventus as Dybala tries to pull the ball back to Ronaldo in the middle but United just about manage to get the ball away.
9'
Both teams are fighting to find an early foothold in the game but there have been no chances of note so far, with the majority of play coming in midfield.
7'
Pogba has started in a very advanced role in the early stages of the game, with Herrera playing in a deeper position in front of the defence.
5'
Dybala clips a ball over the defence to Ronaldo but his shot is deflected behind by Lindelof and the resulting corner comes to nothing, as Pjanic's delivery was extremely poor.
3'
A moment to forget for Martial in the early exchanges as he is penalised for a foul throw, which is inexcusable for a player of his level.
1'
We are underway at the Allianz Stadium, where Manchester United get the action started.
Hello and welcome to our LIVE coverage of the Champions League clash between Juventus and Manchester United, where the two titans of European football collide in Turin.
Juventus' record in the Champions League this season has been perfect and one more win for the Italian champions will seal their spot in the latter stages. United, on the other hand, still have work to do and taking something from Massimiliano Allegri's side would provide a huge boost.
Juventus XI (4-3-2-1): Wojciech Szczesny; Mattia De Sciglio, Leonardo Bonucci, Giorgio Chiellini, Alex Sandro; Rodrigo Bentancur, Miralem Pjanic, Sami Khedira; Juan Cuadrado, Paulo Dybala; Cristiano Ronaldo.
Juventus subs: Mattia Perin, Mario Mandzukic, Daniele Rugani, Mehdi Benatia, Blaise Matuidi, Joao Cancelo, Andrea Barzagli.
Man United XI (4-3-3): David De Gea; Ashley Young, Chris Smalling, Victor Lindelof, Luke Shaw; Ander Herrera, Nemanja Matic, Paul Pogba; Jesse Lingard, Alexis Sanchez, Anthony Martial.
Man United subs: Sergio Romero, Fred, Juan Mata, Marcus Rashford, Eric Bailly, Maroaune Fellaini, Matteo Darmian.
The two teams are entering the field ahead of a match that sees both Pogba and Ronaldo face off against their former sides.
Nothing to separate the two sides at the break but Juventus have certainly been the most dangerous. Khedira has come closest after seeing an attempt bounce off the frame of the goal, while at the other end Szczesny has faced no threat from United as Mourinho's side have struggled to create opportunities.
Juventus looked to grow in confidence as the half progressed and will fancy their chances of breaking the deadlock if things continue in the same fashion after the restart. United certainly need to improve and could look to the bench for inspiration, as they have failed to get going in the final third.
Thanks for joining our coverage today. Until next time, goodbye.
United will now be full of confidence heading into this weekend's Manchester derby and the win keeps their hopes of topping Group H in the Champions League alive, as they are now two points adrift of Juventus. Allegri's side are still in the driving seat though and are just one win away from sealing their spot in the next round. They will look for an immediate response when they travel to tackle AC Milan this weekend.
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