Uruguay get the ball away, we are deep into added time.
90' +4
SAVE! Quaresma forces Muslera into a save at the near post and Portugal will have one final chance from the corner.
90' +3
Cristiano Ronaldo gets yellow.
Ronaldo is furious as Portugal are denied a free-kick after Quaresma fell to ground and, should his nation secure a remarkable turnaround, he will miss the quarter-final.
90' +2
Huge chance for Uruguay to finish the game! Suarez superbly holds up the ball and then skips past two defenders to find room, then playing a low ball across the face of goal but Stuani is unable to get on the end of it.
90' +1
Into four minutes of added time. We could be about to see Lionel Messi and Ronaldo bow out of the World Cup on the same day.
89'
Suarez doing superbly on his own holding up the play to allow Uruguay the opportunity to reorganise themselves. They are starting to look tired but they remain very strong.
87'
Uruguay only have defence on their mind as they shut up shop at the back. Portugal still continue to struggle to craft a sight at goal.
85'
Manuel Fernandes enters the game and replaces João Mário.
Portugal make their final change by introducing Fernandes for Mario.
83'
Superb defending from Torreira inside the box as he clears the ball away after another threatening Portugal attack. It is one way traffic in Sochi as Portugal desperately try to find an equaliser.
Minute
Description
82'
Laxalt, playing on the left side of Uruguay's defence, has also had a fantastic game. He has already announced he will be leaving Genoa and there will certainly be plenty of interest in his services.
81'
C. Sánchez enters the game and replaces N. Nández.
80'
Third and final change for Uruguay, as Nandez is replaced by Sanchez.
78'
Uruguay have shut all the doors defensively and every single player is doing fine work to keep Portugal quiet. Torreira has been excellent once again, while Suarez has also trotted back to help those behind him.
76'
Inside the final 15 minutes in Sochi and Portugal are on the verge of an exit from the World Cup. They need a hero, they need Ronaldo to see more of the ball.
74'
C. Stuani enters the game and replaces E. Cavani.
André Silva enters the game and replaces Gonçalo Guedes.
Uruguay also make a change to their attack, introducing Stuani in place of Cavani.
An attacking change for Portugal, as Andre Silva replaces Guedes.
73'
Portugal banging on the door as Uruguay are still temporarily down to ten men but Uruguay have everybody back behind the ball to defend.
71'
Ronaldo helps Cavani off the field after he sustains a knock, with the two-goal man limping away and looking set to be replaced.
70'
OVER! A golden opportunity as Muslera fumbles the ball and it finds it's way to Bernardo Silva on the edge of the area, who slashes a shot over the bar. A real waste!
69'
Portugal are still yet to get Ronaldo involved in the game sufficiently, as Uruguay continue to quell the threat of the Real Madrid star.
67'
Portugal back on the front foot as the chase another equaliser but Quaresma's corner is dealt with, as is the second delivery from Fonte.
65'
Ricardo Quaresma enters the game and replaces Adrien Silva.
Portugal follow suit with a change of their own, replacing Adrien Silva with Quaresma.
63'
C. Rodríguez enters the game and replaces R. Bentancur.
That was Bentancur's last contribution to the game, as he is replaced by Rodriguez.
62'
E. Cavani has scored a goal for Uruguay! Assist by R. Bentancur.
Both of Uruguay's goals in this game have been superb. Bentancur's pass to Cavani was inviting and the Paris Saint-Germain man is now on a hat-trick.
GOOOOOOOAL! 2-1! Uruguay restore their lead! A superb break sees Bentancur feed the ball across to Cavani, who curls superbly into the far corner of the net to give Patricio no chance.
61'
Portugal look much better since the break and Uruguay have not managed to create any meaningful attacks of their own since the interval.
57'
Just as we were saying that Uruguay could defend for hours. The curse of the commentator strikes and the outlook of the game is now extremely different.
55'
Pepe has scored a goal for Portugal! Assist by Raphaël Guerreiro.
Portugal have had plenty of opportunities to put the ball into the middle but Guerreiro is the only man so far who has actually delivered a decent cross.
GOOOOAL! 1-1! Portugal go short from a corner and Guerreiro whips a cross into the middle, where Pepe has skinned his marker and heads past Muslera. It is the first goal Uruguay have conceded at this World Cup.
54'
Uruguay look like they could defend their goal for hours on end without conceding. Portugal are still yet to craft a clear-cut chance in front of goal.
52'
OVER! The ball bounces up nicely for Guerreiro, who volleys a looping effort over the top of Muslera's net.
50'
Uruguay putting Portugal under a lot of pressure when they have the ball, trying to nick possession to force an opening. A second goal could kill the game.
47'
Portugal look to have changed things tactically, with Bernardo Silva now playing just off Ronaldo in a central position and Guedes taking a role on the right.
46'
Back underway for the second half in Sochi!
45' +2
HALF-TIME! URUGUAY 1-0 PORTUGAL
45' +1
Into two minutes of added time.
44'
Ronaldo wins Portugal a corner and Uruguay are furious as Suarez is down in pain at the other end of the field. There was not too much in that but they believe they should have put the ball out of play.
42'
It may not be the most exciting style of football but Uruguay are showing that they are incredibly difficult to beat. It may take a moment of magic to crack through their defensive wall.
40'
Cavani is tracking back to put pressure on the Portugal midfielders and wins a free-kick off Carvalho. Oscar Tabarez's side are superbly well drilled.
38'
Uruguay are forcing Portugal wide every time they get forward and it is simply not working for the European champions.
36'
Portugal are still seeing a lot of the ball but the majority of it is in the centre of the field. Uruguay are finding things far too easy in defence.
34'
Uruguay will be very happy if they can retain their advantage heading into the interval. Portugal may need to change their tactics to get Ronaldo in the game more.
32'
Bentancur concedes a free-kick in Ronaldo territory, giving him the opportunity to strike at goal. However, his effort is slammed straight into the wall.
30'
Uruguay seem to have taken their foot off the gas in attack, instead focusing on their defensive play, but Suarez and Cavani both look to be in the mood.
28'
Portugal seeing the lion's share of possession at the moment but they are struggling to craft opportunities. Ronaldo has barely seen the ball in dangerous areas.
26'
Godin clips Bernardo Silva on the right side, conceding a free-kick, which Marios lofts into the box but it goes all the way through without causing any danger.
24'
Portugal, and Ronaldo in particular, are yet to be given sufficient room to make their mark on the match. Uruguay's defence is incredibly firm.
22'
SAVE! Suarez shoots low from the free-kick, forcing Patrico into action to palm away at his left-hand post.
21'
Uruguay break again as Suarez is barged to the ground by Fonte, conceding a free-kick in a dangerous position.
17'
Unsurprisingly, Godin and Gimenez have kept things very tight at the back for Uruguay. Portugal are yet to test Muslera.
15'
Uruguay look to be in the mood and they continue to put Portugal's defence under pressure.
11'
WIDE! Portugal go short from a corner and it is eventually curled towards Fonte at the far post, who is all over his defensive marker but heads wide of the mark.
9'
Portugal now have a stern test ahead of them to break through a Uruguay defence that has not conceded in the last six international matches.
7'
E. Cavani has scored a goal for Uruguay! Assist by L. Suárez.
Strike partners for 12 years, born in the same city in Uruguay just three weeks apart. Suarez and Cavani get the game off to a flying start!
GOOOOOOAL! 1-0! Uruguay get first blood! Suarez whips a superb cross to the far post where Cavani rises to head home. The dynamic duo link-up once again and Portugal are behind!
6'
SAVE! Bernardo Silva tees the ball to Ronaldo on the edge of the box, who drills a low shot at goal that Muslera gathers comfortably.
5'
Pepe and Godin earn the first attention from the referee after pushing and shoving inside the area ahead of Torreira's corner, which is easily headed away by the Portugal defence.
3'
Ronaldo, back at the venue where he scored a hat-trick against Spain, earns a rapturous applause as he makes his first touch. Both sides are looking to find early footing in the game.
1'
We're underway in Sochi, where Portugal get us started.
Hello and welcome to this live text commentary of the World Cup last-16 match between Uruguay and Portugal in Russia.
Semi-finalists in 2010, Uruguay's golden generation may feel this is their last chance for glory. It's been 68 years since La Celeste last lifted the World Cup and they will fancy their chances against a Portugal side who, despite entering the tournament as European champions, have looked flat in certain areas.
With Lionel Messi's Argentina knocked out by France in a cracking game earlier today, all eyes are on Cristiano Ronaldo to see if he can lead his nation to glory in what could be his last World Cup. The rest of Portugal's squad need to step-up if they are to go all the way and will need to be strong against an organised Uruguay outfit.
Uruguay XI: Fernando Muslera; Martin Caceres, Jose Gimenez, Diego Godin, Diego Laxalt; Nahitan Nandez, Lucas Torreira, Matias Vecino; Rodrigo Bentancur; Edinson Cavani, Luis Suarez.
Portugal XI: Rui Patricio; Ricardo Pereira, Pepe, Jose Fonte, Raphael Guerreiro; Bernardo Silva, William Carvalho, Adrien Silva, Joao Mario; Goncalo Guedes, Cristiano Ronaldo.
Uruguay subs: Martin Campana, Martin Silva, Maxi Pereira, Cristhian Stuani, Carlos Sanchez, Guillermo Varela, Giorgian de Arrascaeta, Sebastian Coates, Gaston Silva, Jonathan Urretaviscaya, Cristian Rodriguez, Maxi Gomez.
Portugal subs: Anthony Lopes, Beto, Cedric Soares, Mario Rui, Manuel Fernandes, Ricardo Quaresma, Andre Silva, Gelson Martins, Joao Moutinho, Ruben Dias, Bruno Fernandes, Bruno Alves.
Uruguay make just one change from the side that defeated Russia in their final group match as Gimenez returns to the heart of defence alongside Atletico Madrid team-mate Godin. Coates is the man that drops to the bench, while Torreira will be in for a tough test protecting the back-line.
Portugal make three changes to the side that drew 1-1 with Iran, dropping Quaresma, Cedric and Andre Silva. Their spots in the line-up are taken by Pereira, Bernardo Silva and Guedes. Ronaldo, on a yellow card, will miss the quarter-final if he is booked this evening and his nation advance.
We were treated to a cracking match earlier today, hopefully this game is just as good. The teams are coming onto the field and the national anthems are about to begin.
Uruguay are not a side you want to fall behind against due to their defensive strength and Portugal have learnt that the hard way. Suarez and Cavani's superb partnership led to the opening goal from the latter and Ronaldo has struggled to get involved in threatening areas. At the break, Uruguay look comfortable.
Portugal need to be more expansive in the final third during the second half as they simply have not done enough to test Uruguay defensively, although that is not easy due to the fact they are still yet to concede at the World Cup. Unless the European champions improve though, they will follow Argentina out of the World Cup.
Two brilliant goals from Cavani send Uruguay into the quarter-finals and send Portugal packing. Oscar Tabarez's side were superb defensively and kept their opponents relatively quiet throughout, especially Ronaldo. They are picking up pace and could be a real force in the competition.
Thanks for joining our coverage. Until next time, goodbye.
Uruguay have secured a tie against France next Friday, while European champions Portugal will fly back to Lisbon prematurely. Questions will now be asked whether this is the last time we will see Ronaldo at the World Cup, while Uruguay will be dreaming of going all the way.
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