81' GOALLLLLLLLLLLLLLLLLLLL!!!!!! MESSI CONVERTS!!!! 1-0 BARCELONA!!! The Argentine steps up from 12 yards and lifts his effort past Remiro with a slight chip to find the right corner of the net. A vital goal for the Catalan club.
45' + 1' HALF-TIME: BARCELONA 0-0 REAL SOCIEDAD
45' A concern for Barcelona as Pique is holding his neck after clearing the corner.
44' Gorosabel wins a battle for possession with Alba and surges to the byline. He tries to cut the ball back for Isak, but Pique diverts it behind for a corner.
42' Messi goes into the book for a loose challenge on Merino.
31' Portu swings a cross to the back post for the run of Barrenetxea, but he can only nod a tame effort straight at Ter Stegen.
30' OVER! Rakitic bends the resulting corner in from the left flank, but Braithwaite can only head his effort harmlessly over the bar.
30' SAVE! Messi wins the ball from Gorosabel in the left corner and works the ball back towards the middle. Busquets clips a lofted pass over the top for the run of the Argentine, who stabs a strike towards goal. However, Remiro stands firm to make the stop.
29' WIDE! Alba works the ball to Rakitic on the edge of the box and he goes for a strike at goal, only to fire his right-footed effort wide of the post.
28' CHANCE! Merino sends a sublime throughball into the left inside channel for Barrenetxea. He clips a cross towards the near post for Isak, but he heads his effort high and wide of the target.
26' Messi tries to turn out of tight quarters and he gets the better of Monreal, but he cannot force a quality cross into the box.
24' Odegaard and Portu almost combine to release Gorosabel in the right inside channel, but Alba makes an important interception.
21' It's an entertaining contest at Camp Nou as both teams are keen to play expansive football, although they're lacking a cutting edge at the moment.
19' BLOCK! Isak runs at the Barca defence before striking at goal from the edge of the box, only to see his effort charged down by Pique.
17' OFFSIDE! Braithwaite latches on to a ball over the top from Alba, but is well offside. He finishes low into the bottom corner, but he was quite clearly beyond the last Sociedad defender.
16' Lenglet wipes out Portu with a sliding challenge and goes into the book.
14' CHANCE! Messi works a pass into the feet of Braithwaite, who takes a sublime first touch. He goes a for a strike in the right inside channel, but scuffs it straight at Remiro.
12' The visitors are not backing down from the challenge and are looking to play their football. Although it could leave them exposed to Messi at the back.
10' SAVE! Messi releases Braithwaite into the left inside channel and he fires a low strike towards the near post, but Remiro makes the stop with his legs.
8' Odegaard is played into space down the right by Gorosabel. He tries to cut back and find Portu, but the home side get numbers back to quell the threat.
6' Llorente makes an important challenge on the slide to stop Messi releasing the run of Alba in the final third.
5' Ter Stegen almost plays the ball straight to Isak. Fortunately for the Barca keeper, the ball rolls out for a goal-kick.