A highly creditable all-round performance from Celta Vigo earned them a historical and landmark victory on the road at the Nou Camp against a desperate Barcelona side.
If last week's 3-1 Clasico drubbing was a wake up call, then a 1-0 home tragedy against Celta Vigo will be a knock-out blow to Barcelona.
The home side will have been wary ahead of their opponents' visit after taking 16 points from their opening nine fixtures in La Liga, and Barca set out to destroy in the opening stages of the match.
The earliest close chance of the match fell to Brazilian Neymar, whose curling effort from outside the 18 yard box rattled against the crossbar.
Celta Vigo were not letting sleeping dogs lie however as they began to create chances of their own. And although summer signing from Swansea Pablo Hernandez could only direct his header straight at Claudio Bravo, the visitors were showing great signs of a surprise.
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Alvarez on fire
But the first of multiple unbelievable saves from Sergio Alvarez was to deny Lionel Messi from equalling the La Liga goalscoring record, when he clawed the Argentinian's effort out of the top corner.
Another agonisingly close chance then came and went for Messi after slotting the ball past Sergio Alvarez, only to be cleared onto the bar and away just before he headed over from yards out just moments later.
The Celta keeper then managed to deny Neymar the opening goal of the evening when a low shot was patted away just before the interval.
Celta capitalise on Barca's profligacy
The second half would see much more desperation from Barcelona, primarily from Lionel Messi who attempted to reach the record books. But Neymar almost stole the opener but unbelievably his header from six yards out struck the bar, suggesting the Brazilian was suffering one of his more unfortunate games.
It wasn't long before the visitors capitalised on Barcelona's weak finishing when some beautiful build up play allowed Joaquin Larrivey to slot the ball past Bravo for his seventh goal of the campaign.
Barcelona's response however was sharp. Lionel Messi showed some quick and fancy footwork to escape from a series of tackles, but the desperate leg of Sergio Alvarez denied him once more.
Alvarez wins match for Celta
Once more, the home side hit the bar when Lionel Messi's free kick looped impressively over the wall but not with enough dip to bring the game to level terms. Shortly after, Sergio Alvarez made the save of the game, denying Luis Suarez the equaliser on his home debut with a strong, sublime and supreme hand.
Celta could have marked an entertaining piece of history for the club in even more style when substitute Charles danced his way through the Barca defence, only to be denied emphatically by Bravo.
The visitors can go away from the Nou Camp proudly, taking their first three points from the amazing arena in 73 years. An incredible game ends with an incredible statistic.
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