Barcelona v Osasuna - As it happened
Barcelona get a comfortable win at home. Braces from Messi, Gomes and Alcacer, as well as an unlikely goal from the penalty spot by Mascherano completed the rout on Osasuna, who looked to get back in the game with Roberto Torres' free kick.
The end
2 added minutes
Rakitic shot saved!
Sirigu saves the deflected shot from the Croatian midfielder.
Alcacer gets his double!
Alcacer is on goal thanks to a ball from Suarez, and he goes round Sirigu to score his second.
GOAL!
Fran Merida off for Causic
And another for Barca!
Denis Suarez went down in the box and the penalty was taken by Mascherano. He fired into the net to score his first goal for Barcelona over 300 matches later.
GOAL!
Mascherano to take!
Barcelona penalty!
Barca get five!
Alcacer now gets his goal. Turan found the striker behind the defence, and he slid to chip the ball over the keeper.
GOAL!
Messi gives way to Aleña
The Camp Nou crowd get to their feet to say goodbye with a standing ovation.
Four for Barca!
Now Messi gets his brace. A trademark strike from the edge of the box that curled inside the near post.
GOAL!
Barcelona score!
Baarcelona restore their two-goal lead. Pique fires the ball against the post, and Gomes picks up the rebound to score his second of the evening. He has scored more goals today than in all his previous matches for Barcelona.
GOAL!
Pique close!
The centre-back headed towards goal, but the defence clears off the line.
Penalty claims!
Rakitic goes down at the byline, but the referee, having checked with his assistant blows for a goal kick.
Chance Osasuna!
A game that the home side had under control. Once again they concede and now the away side are putting them under pressure. Roberto Torres with a great strike that is parried away by Ter Stegen.
Off the post!
Mascherano's header is deflected on to the post. That was close.
Osasuna get a goal back!
What.A.Goal. Osasuna are back in this. Roberto Torres with a wonderful free kick that wrong-footed Ter Stegen and curled into the top corner.
GOAL!
Osasuna get the ball rolling!
Forty-five minutes to go...
We're back!
The players come back out for the second half, after a first forty-five minutes in which Barcelona completely crushed their opponent. Let's see if anything changes...
Half time
Comfortable first half for Barcelona who have no issue in playing against defensive sides. Messi opened the scoring and Andre Gomes scored his second-ever Barca goal to double the lead.
Sirigu saves!
Alcacer gets on the end of Messi's set piece, and his header is saved by a diving Sirigu.
Chance Barcelona!
Mascherano crossed a great ball behind the defence, but Arda Turan cannot steer his header and the ball goes straight out for a goal kick.
Barcelona double their lead!
Andre Gomes this time. The midfielder gets on the end of a cross to side-foot the ball past Sirigu.
GOAL!
Barcelona close!
Messi took another shot on goal and it is deflected out for a corner.
Messi over the bar!
Not many spaces in Osasuna's defence. Alcacer brings down the ball for the Argentine who blazes his right-footed effort well over.
Barcelona look for a second
Still all Barcelona. The away side will have to take more risks if they want to get anything out of this match.
Barca lead!
It is pretty much the first shot on goal of the game. And of course... It is Messi. A terrible mistake from the Osasuna defence who were doing so well, and the striker takes the ball, races towards Sirigu and flicks his finish over the keeper.
GOAL!
Still no breaking the deadlock
No clear goal opportunities. Can Osasuna keep up the defending for the full 90 minutes?
Dangerous Barca cross headed away
Barcelona have the ball, but are unable to create clear chances against a compact Osasuna side.
Barcelona with a surging start
As it was to be expected Barcelona on the front foot and dominating possession in the opening minutes. Osasuna managed to briefly claim the ball.
Barcelona get us underway!
Osasuna playing with a new orange and white kit specially for this game. Barcelona playing with their usual colours.
And they're out!
A huge banner pays homage to Leo Messi's 500 goals with Barcelona.
Everything ready for kick off!
The players are in the tunnel and ready to jump out to a far-from-full Camp Nou.
Both teams warming up!
Fisteen minutes to go and the players are finishing their warm-up exercises before heading back for the final instructions. Can league-bottom Osasuna cause an upset?
Luis Enrique back to a three-man defence
Neymar is out through suspension, with Paco Alcacer taking his place once again. Luis Suarez is left on the bench while Arda Turan makes his return to the starting lineup. Osasuna boss Vasiljevic has made many changes for a match he has asked his players to play 'without fear'.
Live updates of La Liga clash between Barcelona and Osasuna at the Camp Nou.
Top against bottom, Osasuna need a miracle to avoid relegation as they sit last, nine points from salvation. Barcelona, on the other hand, are back on top after their last-minute win in 'El Clasico' and must now win their remaining five matches and hope Real Madrid trip on the way. La Liga is back on, and it starts here.
Official lineups for today's match:
Barcelona: Ter Stegen, Pique, Digne, Mascherano, Rakitic, Busquets, Denis Suarez, Gomes, Turan, Messi, Alcacer.
Subs: Cillessen, Iniesta, Suarez, Alba, Roberto, Umtiti, Alena.
Osasuna: Sirigu, Oier, Fuentes, Mondragon, Bunuel, Merida, De las Cuevas, Romero, Torres, Tienza, Leon.
Subs: Mario, Causic, Kenan, Clerc, Barja, Marquez, Olavide.