Time is running out for the visitors now, they are keeping the ball well but aren't threatening to get back into the game.
90' +1
There will be a minimum of four minutes added time played.
90'
Sergi Roberto enters the game and replaces A. Vidal.
Late Barcelona change now, with Vidal replaced by Roberto.
89'
Barca with a corner, that is whipped straight onto the head of Vidal, but he somehow manages to head the ball back in the same direction it came from, rather than towards goal.
87'
Sandro Ramírez enters the game and replaces Juanmi.
Barrenetxea enters the game and replaces Diego Llorente.
Third and final Sociedad substitution, with Llorente replaced by Muguruza.
The visitors make another substitution, Juanmi coming off the pitch and he has been replaced by Ramirez.
86'
It's end-to-end at the moment, with the visitors pushing forward and then Barca breaking on the counter, which is the risk Sociedad have to take. Luckily on this occassion, Messi gets crowded out on the edge of the box before he can fire an effort towards goal.
84'
Not long left to play now, it looks like Barca are going to move nine points clear of Atletico once again, unless Sociedad can find a late equaliser.
78'
The visitors are keeping the ball well, but Barca are keeping a high line and not giving them time and space on the ball to create any opportunities at goal.
76'
Good spell of possession here for Sociedad, they look dangerous and could certainly still get back into the game. However, Barca are starting to slow the pace of their game and start to run the clock down.
Minute
Description
74'
Huge mix up at the back by Sociedad, they try and play it out from the back, but with Barcelona playing such a high line, they can't get out of their box. However, instead of just clearing their lines and getting the ball away from danger, they end up making a couple of mistakes and hand the ball back to the hosts in the final third.
72'
Philippe Coutinho enters the game and replaces O. Dembélé.
Here is the Barcelona substitution, with Dembele going off to a standing ovation and he has been replaced by Coutinho.
68'
It looks like Coutinho is getting ready on the sidelines for Barcelona and Dembele might be the man to make way for the Brazilian.
66'
The game has certainly come to life now, with those two goals within a couple of minutes of each other, sparking both teams to venture forward and push for another goal.
64'
Jordi Alba has scored a goal for Barcelona! Assist by L. Messi.
Messi is this time the provider for the goal, he lays the ball off to the overlapping Alba, who does the rest with a fine finish.
GOOOAALLL! Barca are back in the lead, it's 2-1! It took just two minutes for Barcelona to respond, with Alba dribbling past two players, he uses Dembele as a dummy runner and then places the ball into the bottom corner.
62'
Juanmi has scored a goal for Real Sociedad! Assist by Mikel Merino.
GOOOAAALLL! Sociedad have equalised, it's 1-1! It comes from a corner which they take short, it goes all the way back out to Merino, who looks up and spots Juanmi making the run in-behind the Barca defence, he just manages to get to the ball ahead of Ter Stegen and flick it into the back of the net.
It was excellent vision by Merino to spot Juanmi in space behind the Barca defence and his pass had just enough pace on it, for the striker to poke the ball home.
58'
CLOSE! Dembele tries to curl the ball into the bottom corner, after Vidal lays the ball out to him, but his effort flies inches wide of the far post.
56'
Sergio Busquets enters the game and replaces Arthur.
Barcelona now make their first change of the game, with Arthur coming off and he has been replaced by Busquets.
54'
Sangalli enters the game and replaces Zubeldia.
Sociedad have been forced into making an early substitution, with Zubeldia limping off with an injury, so he has been replaced by Sangalli.
52'
Decent effort! Pardo lets flies from around 25 yards out and forces Ter Stegen into making a diving save to his left, but it looked like the ball was already heading wide of the goal.
50'
Barcelona continue to dominate possession, they've worked the ball into a couple of good areas already at the start of the second half, with Messi and Dembele linking up well.
46'
The second half is underway!
45' +1
HALF-TIME: BARCELONA 1-0 REAL SOCIEDAD
45'
C. Lenglet has scored a goal for Barcelona! Assist by O. Dembélé.
Dembele whipped the ball into the box from the corner, straight onto the head of Lenglet, who powered the ball into the back of the net.
GOOOAAALLL! Barcelona lead 1-0! It comes straight from the corner, with Lenglet finding space at the near post and glancing the ball on and into the far corner of the net. Rulli had no chance of saving that.
44'
Excellent cross into the box by Alba and it looked like Suarez was about to head it towards goal, but Aritz made a terrific clearance to put it behind for a corner.
40'
There's not long left to play in the first half now, can either side break the deadlock before the half-time whistle?
38'
Messi tries his luck from long range, with not too many other options available to him. However, the strike is straight at the Sociedad keeper, who makes a comfortable save.
35'
Despite the game not having much action so far, the atmosphere is terrific inside the stadium, with the home crowd spurred on by their sides fantastic victory over Manchester United in midweek.
31'
Brilliant by Messi! The Argentine skips past four Sociedad players, plays a one-two with Coutinho and is played through on goal, but the pass has slightly too much on it and Rulli is once again quick off his line to gather the ball.
29'
Good through ball by Messi towards Dembele, but despite the wingers pace, he just can't quite reach the ball before Rulli, who slides out and gathers it.
27'
Just over! Messi steps up to take the free-kick, this time aiming for the top right-hand corner, but he gets slightly too much on the ball and it ripples the top of the net, not enough dip on it. However, that is the closest either side have come to scoring.
26'
Another Barca free-kick in a good position! This time it is Vidal who is brought down, he is dragged back by Merino, around 20 yards out. Messi and Suarez once again stand over the ball...
25'
We're midway through the first half now and nothing separates these two sides, with the visitors currently edging the possession charts.
21'
Very little goalmouth action so far here, with neither team pushing forward in search of an early goal. The game is very slow, with passes just being played at walking pace in the middle of the pitch.
19'
Sociedad are trying to play out from the back and work their way up the pitch, which is working to a certain extent, but they just can't find that next step up to break into the final third.
17'
Decent spell of possession here for the visitors, but it's all in their own half or the middle of the pitch as Barca are playing such a high defensive line.
15'
Mikel Merino gets yellow.
Merino is shown the first yellow card of the game, after a late crunching tackle on Messi. The Barca skipper had already released the ball when the tackle came in, with Merino getting his timing all wrong.
14'
Almost! Suarez is so close to getting onto the end of a lovely cross into the box, he just misses it and Rulli thankfully gathers the ball, after rushing off his line to claim it.
13'
There isn't much pace and intensity to the game so far, with Barca just easing into the game and making the visitors do all the running around.
11'
Into the wall! Messi steps up to take the free-kick, he tries to curl it into the top left-hand corner of the net, but it's straight into the strong Sociedad wall and the visitors clear the danger.
10'
Free-kick to Barca in a very good shooting position around 25 yards out, after Suarez is brought down by Zubeldia. Messi and Suarez are standing over the ball ready to take it.
7'
Barca are yet to break into the visitors final third, with the Sociedad defence holding firm and keeping their shape to prevent any balls in behind coming through to the likes of Messi and Suarez.
5'
Vidal catches Llorente late inside the Sociedad half and the visitors win a free-kick, one of their first chances to get on the ball and string a few passes together.
3'
Early dominance by Barcelona as you would expect, keeping the ball and playing it out from the back quickly, trying to get Dembele onto the ball, who has already made some excellent runs, which have threatened the visitors defence.
1'
We're underway!
Hello and welcome to our LIVE match commentary of the LaLiga clash between Barcelona and Real Sociedad at Camp Nou.
Barcelona come into the game on the back of a Champions League victory over Manchester United on Tuesday night and they are comfortably top of LaLiga, six points clear of Atletico Madrid in second who beat Eibar earlier today. However, Barca could only draw 0-0 with Huesca last Saturday in the league, with several key players rested and a couple of young stars making their debuts.
Imanol Alguacil has lost only three games since taking the helm in December and his Sociedad side sit 10th in the table, but level on 41 points with Leganes and Espanyol. They drew 1-1 with Eibar last time out.
BARCELONA SUBS: Jasper Cillessen, Sergi Roberto, Samuel Umtiti, Sergio Busquets, Carles Alena, Malcom, Philippe Coutinho.
BARCELONA (4-3-3): Marc-Andre Ter Stegen; Nelson Semedo, Gerard Pique, Clement Lenglet, Jordi Alba; Arturo Vidal, Ivan Rakitic, Arthur; Lionel Messi, Luis Suarez, Ousmane Dembele.
SOCIEDAD SUBS: Jon Bautista, Ander Barrenetxea, Miguel Angel Moya, Sandro Ramirez, Raul Navas, Andoni Gorosabel, Luca Sangalli.
SOCIEDAD (4-2-3-1): Geronimo Rulli; Igor Zaldua, Aritz Elustondo, Diego Llorente, Aihen Munoz; Igor Zubeldia, Ruben Pardo; Juanmi, Mikel Merino, Mikel Oyarzabal; Willian Jose.
The teams are out and kick-off is just a few minutes away, stay tuned for all of the match action!
The game came to life in the final 10 minutes or so of the half, prior to the that, the game was quite slow and had very little goalmouth action. Sociedad could still get back into the match, as they've played well and tested the Barca goal already.
That's all from us today folks, we hope you enjoyed the game!
Barca need just six more points to wrap up the LaLiga title and they face Alaves next up in midweek. Meanwhile, Sociedad remain 10th and they welcome Villarreal on Thursday.
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