Alena sticks out a leg and catches Navarro from behind to earn a yellow card.
90' +1
Sagnan spots Isak's run through the middle and tries to pick him out with a long ball over the top. He brings it down on his chest, but nudged Lenglet out of the way as he did it and gives away a free-kick.
89'
The yellow card is out again now and this time, it's shown to Koeman after he made it clear he wasn't happy with one of the referee's decisions.
88'
Trincão gets yellow.
Trincao catches Zubimendi with a late challenge and has his name taken by the referee.
87'
Barcelona just can't get on the ball at the moment as Sociedad patiently play out from the back to try and get an equaliser. It's slow from the visitors though and they can't get in behind the home side.
85'
M. Sagnan enters the game and replaces Robin Le Normand.
Fourth change for Sociedad now and it's Le Normand that's making way for Sagnan.
83'
It's patient play from Barcelona again now as they try to play out from the back and get in behind Sociedad. De Jong tries to switch play out to Braithwaite on the left, but his first touch lets him down and it gets away from him.
80'
Robin Le Normand gets yellow.
Le Normand picks up a yellow card after catching Messi with a late challenge.
79'
C. Lenglet enters the game and replaces Óscar Mingueza.
Another change for Barca now and it's Mingueza that's making way for Lenglet.
Minute
Description
74'
M. Pjanić enters the game and replaces Pedri.
Pedri goes straight off the field with the medical team and Pjanic is on to replace him.
72'
Messi and Alba link up well down the left for Barca before the captain plays a throughball into Trincao in the box. He takes the shot first time but ends up dragging it and it rolls harmlessly wide of the far post.
68'
Trincao gives the ball away just outside his own box and Jose lays it off to Merino to set him up for a shot. He hits it first time from outside the area, but it's a comfortable save for Ter Stegen down the middle.
67'
Carles Aleñá enters the game and replaces Sergio Busquets.
Busquets is also making way, with Alena on in his place.
66'
Trincão enters the game and replaces A. Griezmann.
Koeman is making a double substitution and it's Griezmann that's coming off for Trincao.
64'
A. Isak enters the game and replaces Portu.
Another change for Sociedad now and it's Isak coming on to replace Portu.
62'
Sociedad look a lot more comfortable on the ball at the moment and are pressing higher up the field. Zubimendi plays a good throughball into Portu, who turns past his defender but a heavy touch gives Mingueza chance to win it back.
60'
It's a great move from Sociedad as they play in between Barcelona to get into the final third. Portu tries to play a one-two with Jose to open up more space but the return pass into him is heavy which allows Araujo to get back and intercept it.
58'
Barrenetxea gets yellow.
Just minutes after coming on, Barrenetxea picks up a yellow card after catching Griezmann with a late challenge.
56'
Robert Navarro enters the game and replaces Guevara.
Barrenetxea enters the game and replaces A. Januzaj.
There's a double change for Sociedad now and Guevara is the first to make way for Navarro.
Januzaj never came back onto the field after receiving treatment and it's Barrenetxea that's on for him.
52'
It's a great run by Januzaj down the left of the box to get on the end of Merino's throughball and he holds off De Jong to get to the byline. The cross is poor from him though as he overhits it and it goes out for a throw-in.
50'
Sociedad are pushing forward with more intent than they were in the first half and Portu drifts out wide on the right to pick up the ball. He knocks it onto Jose just as he's fouled by Mingueza and he wins a free-kick.
48'
Some of the Sociedad players are asking for a penalty after Januzaj goes to ground under pressure from Araujo as he cuts into the box from the right. There's not much in it though and the referee waves play on.
46'
Sociedad get us back underway for the second half!
45' +2
HALF-TIME: BARCELONA 2-1 REAL SOCIEDAD.
45'
It's a good run by Januzaj down the right for Sociedad, but he ends up being crowded off it by three Barcelona defenders. He stays down afterwards as Alba's clearance was played against him, but he's back to his feet without needing treatment.
43'
F. de Jong has scored a goal for Barcelona!
BARCA LEAD! De Jong pulled away from his defender in the middle of the box to put Alba's deflected cross past Remiro first time, but the offside flag went up. After a quick check by VAR, they spotted he was actually onside and the goal stands! 2-1 Barca!
41'
Sergio Busquets gets yellow.
Busquets slides in late on Januzaj from behind and earns himself a yellow card.
39'
Barca are on the attack again now and this time, Messi plays a throughball into Braithwaite. He pulls away from Gorosabel and takes his shot early when Remiro rushes off his line, but fires it into the stands.
35'
Portu is picked out in the middle of the box but he sees Gorosabel running into space to his right. He lays it off to him and the right-back tries to take it around Mingueza, but his challenge is timed perfectly to nick it off him.
33'
Sociedad just can't get on the ball at the moment and are sitting deep to close down the space ahead of Barcelona. Their frustration is starting to show as Le Normand steps across Messi and fouls him.
31'
Jordi Alba has scored a goal for Barcelona!
ALBA EQUALISES! Nobody picks out his run from the left of the box as he runs onto Griezmann's deflected pass. He hits the shot first time and it's a wonderful strike that nestles into the top-right corner. 1-1!
29'
Just like before the goal, Barca are keeping hold of the ball in Sociedad's half but they can't find a way in behind the away side. They work it out to Alba on the left, but it's a poor cross from him and it's cleared by Monreal.
27'
Willian José has scored a goal for Real Sociedad! Assist by Portu.
Portu does really well to put a quick cross back across goal before Alba can get across to him.
SOCIEDAD LEAD! The corner isn't dealt with by Barca and Le Normand keeps it alive for the visitors. He picks out Portu and his cross back across goal is tapped in by Jose. Barca are asking for offside, but the goal stands! 1-0 Sociedad!
26'
Barca are looking to get in on goal by going down the left again here and Messi tries to pick out Braithwaite's run. Le Normand gets across quickly to dispossess him and wins a free-kick in the process.
24'
Merino turns away from Busquets and lifts a ball over the top to try and pick out Jose's run. He gets in between the two Barcelona defenders, but the flag goes up against him for offside.
22'
It's patient play from Barca as they try to open up some space in behind Sociedad. They work it out to Braithwaite on the left and he fizzes a cross into the far post, but none of his team-mates are there to get on the end of it.
20'
A. Januzaj gets yellow.
Januzaj picks up the first yellow card of the game after catching Mingueza in the face with his elbow.
18'
Remiro's clearance ends up being a good pass into Zubimendi in midfield and he tries to pick out Jose's run ahead of him with a throughball. He overhits it though and none of the forward players can reach it before Araujo.
16'
Barca are keeping Sociedad penned back in their own half at the moment as they come forward with Dest on the right again. He can't find a way past Monreal though and has to switch pay out to Alba on the left.
12'
Januzaj has a go from the edge of the box but his shot is well blocked by Mingueza. It rebounds into Araujo's path and his clearance is blocked by Portu, but luckily, it ends up rolling wide of the far post.
6'
Busquets takes a free-kick in midfield short by picking out Messi. He holds off Zubimendi well before picking out Braithwaite on the left and he tries to pick out Griezmann with a cross. It's straight at Remiro though and he holds onto it.
4'
De Jong does brilliantly to keep the ball in play at the byline and pulls it back for Griezmann in the middle. He touches it onto Messi, but his shot is well blocked by Zubeldia.
2'
Sociedad are seeing a lot of the ball in the opening minutes, but they can't keep hold of it in the final third. Jose has tried to get into the box twice, only to be dispossessed by the home side.
1'
Messi gets the game underway for Barcelona!
Hello and welcome to live coverage of the LaLiga meeting between Barcelona and Real Sociedad at Camp Nou!
Barcelona bounced back with a 1-0 win over Levante last time out after losses to Cadiz and Juventus, and they come into this game having won their last three league games at home. The face the league leaders, Sociedad, who have lost just once in LaLiga this season (W7 D5), but they've drawn each of their last six matches in all competitions coming into today.
BARCELONA STARTING XI (4-2-3-1): Marc-Andre ter Stegen; Sergino Dest, Ronald Araujo, Oscar Mingueza, Jordi Alba; Sergio Busquets, Frenkie de Jong; Lionel Messi, Antoine Griezmann, Pedri; Martin Braithwaite.
BARCELONA SUBS: Clement Lenglet, Riqui Puig, Matheus Fernandes, Samuel Umtiti, Philippe Coutinho, Inaki Pena, Neto, Trincao, Konrad De la Fuente, Carles Alena, Miralem Pjanic.
REAL SOCIEDAD STARTING XI (4-3-3): Alex Remiro; Andoni Gorosabel, Igor Zubeldia, Robin Le Normand, Nacho Monreal; Ander Guevara, Martin Zubimendi, Mikel Merino; Adnan Januzaj, Willian Jose, Portu.
REAL SOCIEDAD SUBS: Jon Bautista, Alexander Isak, Martin Merquelanz, Roberto Lopez, Joeba Zaldua, Gaizka Ayesa, Urko Gonzalez, Unai Marrero Larranaga, Aihen Munoz, Modibo SAgnan, Roberto Navarro, Ander Barrenetxea.
The teams are out on the pitch now, with kick-off just moments away.
Koeman will be pleased with how his side reacted after going behind, but he'll feel they could be further ahead due to the chances they've created and will want to see more of the same after the break. As for Sociedad, Alguacil will expect more from his side as they've barely created anything going forward.
Barcelona have now won their last four home games in LaLiga and they move up to fifth in the table, just six points off the top. Next up for them is Valencia at the weekend. Real Sociedad drop into second in the league, now behind Atletico Madrid on goal difference. Alguacil will be hoping they can bounce back next time out against Valencia.
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