Postpublished at 20:46 Greenwich Mean Time 27 November 2016
Almost time for the second half. Will injured defenders Gerard Pique and Jordi Alba come out for Barcelona?
Real Sociedad hit woodwork twice, have goal wrongly ruled out
Barca have not won in eight away games at Real Sociedad now
Barcelona are six points behind Real Madrid
El Clasico is next weekend
Emlyn Begley
Almost time for the second half. Will injured defenders Gerard Pique and Jordi Alba come out for Barcelona?
Barcelona have had four touches in Real Sociedad's box in the first half.
For the first time this season, they have not managed a shot on target in the first half of a game.
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Outside of the two Madrid giants, I can't remember ever seeing a Spanish team dominate Barcelona that much.
Real Sociedad had more possession (57%-43%), more shots (8-2), more shots on target (3-0) and more corners (8-2).
They are literally out-Barcelonaing Barcelona.
Real Sociedad 0-0 Barcelona
Barcelona have their first corner of the game as Carlos Martinez just takes the ball off Jordi Alba's chest.
And now they have their second as Javier Mascherano's shot is blocked.
Barcelona have had a shot, but Luis Suarez curls an effort from 20 yards wide. That's one shot to Real Sociedad's eight now.
Gerard Pique is wincing but he comes back on. That's 50% of the Barcelona defence on the pitch who are now injured.
Barcelona defender Gerard Pique is down injured and he does the ol' hand rolly signal to suggest he might have to come off. Marlon warms up.
You can see the match stats on this page right now - a tab at the top on mobile and on the side of the screen on a desktop.
La Real have had 58% possession and seven shots - to Barcelona's NO EFFORTS AT ALL. Seven corners to nil.
This is crazy.
Jordi Alba is back on and straight into a challenge. They are taking a risk with him here. They have a France international on the bench, and play Real Madrid next weekend.
Mikel Oyarzabal half-volleys a 20-yard shot wide as La Real continue to dominate.
Jordi Alba limps off rather than getting a stretcher. Lucas Digne looks ready to come on, but they are waiting a minute to see what happens.
Barcelona left-back Jordi Alba is writhing in agony after hurting himself when Carlos Vela lands on him awkwardly. El Clasico is next weekend...
Real Sociedad fans appeal for a penalty, but the players don't really. Carlos Vela is brushed by Javier Mascherano and goes down. Not quite a penalty, but not quite a dive either so Vela isn't booked.
Real Sociedad almost catch Barcelona out with a quick attack but Willian Jose is denied a shooting opportunity by some good defending.
It's rare in a La Liga game that you think Barca are very lucky to be level. Real Sociedad really should be winning.
Barcelona are passing it around the back but Real Sociedad aren't giving them a moment to settle. Press, press, press, press.
You can tell David Moyes isn't in charge any more. Eusebio Sacristan is being touted as a future Barcelona boss on Spanish TV at the moment.
Barcelona goalkeeper Marc-Andre ter Stegen is booked. There's a second ball on the pitch which he tries to deal with as Real Sociedad wait to take a corner. Not sure what the German has done wrong there.
Real Sociedad are playing some absolutely fantastic stuff, honestly playing like you expect Barcelona to. A great passing move ends up with centre-back Inigo Martínez, who has come up in open play to get involved, but his shot is saved.
Now it's Carlos Vela's turn. He latches onto a ball over the top, his first touch isn't great and he takes it wide. With his second touch he fires it across goal and out for a goal kick. Remind me again, which one of these is meant to be the best team in the world?
Real Sociedad should genuinely be 1-0 up by now. A brilliant cross lands on the head of Xabi Prieto but he puts it across goal and out wide. He should have put that one in the back of the net.