Barcelona restored their nine-point lead at the top of La Liga with a narrow victory at Athletic Bilbao.
Raphinha hit the winner with a drilled effort in first-half injury-time.
Barca goalkeeper Marc-Andre ter Stegen made several fine stops to deny Bilbao, who had a late Inaki Williams goal ruled out for handball after a lengthy Video Assistant Referee (VAR) check.
Oier Zarraga’s effort was also cleared off the line by Jules Kounde in added time as Barca clung on.
It meant Xavi’s side extended their advantage over rivals Real Madrid, who had briefly cut Barca’s lead to six points after beating Espanyol on Saturday,
The two rivals are set to meet in El Clasico at the Nou Camp on Sunday.
Ernesto Valverde’s Bilbao side, meanwhile, stay ninth after a 10th defeat of the season, although they can consider themselves unlucky after a spirited performance.
Barca top scorer Robert Lewandowski, back in the side after recovering from injury, had an early opportunity when he broke clear on goal but his shot was smothered by the onrushing Julen Agirrezabala.
That seemed to spark Bilbao, who went close twice in quick succession when Williams’ shot was saved by Ter Stegen and Raul Garcia’s header from the resulting corner hit the bar.
Barca went ahead when Sergio Busquets’ probing pass was collected by Raphinha in the area and the former Leeds forward fired across Agirrezabala and into the far corner for his second goal in successive games.
The Brazilian’s celebrations were initially cut short by the assistant referee’s flag, but replays showed he was well onside and VAR overturned the decision.
Bilbao were the stronger side in the second half, but efforts from Alex Berenguer and Iker Muniain were superbly saved by Ter Stegen.
Bilbao thought they had the equaliser their pressure deserved when Williams raced onto a pass over the top and powered the ball home, but the goal was eventually chalked off for a handball by Muniain in the build-up.
Line-ups
Ath Bilbao
Formation 4-2-3-1
- 13With a certificate
- 18From MarcosSubstituted forCapaat 84′minutes
- 3Vivian
- 4Martínez
- 24to ValenciaSubstituted forBerchicheat 70′minutes
- 14Garcia Carrillo
- 6VesgaSubstituted forZarragaat 64′minutesBooked at 86mins
- 7Berenguer RemiroSubstituted forGuruzetaat 84′minutes
- 22GarcíaSubstituted forMuniainat 64′minutes
- 11Nico Williams
- 9WilliamsBooked at 30mins
Substitutes
- 5Álvarez
- 10Muniain
- 12Guruzeta
- 16Winner
- 17Berchiche
- 19Zarraga
- 21Capa
- 31Paredes
- 35Iruarrizaga
Barcelona
Formation 4-3-3
- 1ter Stegen
- 20RobertoBooked at 76minsSubstituted forAnsu Fatiat 83′minutes
- 23Koundé
- 15Christensen
- 28Bucket
- 6GaviSubstituted foralarconat 90+4′minutes
- 5Busquets
- 21F Young
- 22RaphinhaSubstituted forAlonsoat 83′minutes
- 9Lewandowski
- 11F TorresSubstituted forKessieat 68′minutes
Substitutes
- 10Ansu Fati
- 13Peña Sotorres
- 17Alonso
- 18Alba
- 19Kessie
- 24García
- 32Torre
- 36hold
- 38alarcon
- Referee:
- Jesus Gil Manzano
- Attendance:
- 49,741
Live Text
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Match ends, Athletic Club 0, Barcelona 1.
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Second Half ends, Athletic Club 0, Barcelona 1.
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Attempt missed. Nico Williams (Athletic Club) right footed shot from outside the box is too high. Assisted by Yuri Berchiche.
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Substitution, Barcelona. Angel Alarcón replaces Gavi.
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Corner, Athletic Club. Conceded by Marcos Alonso.
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Attempt blocked. Gorka Guruzeta (Athletic Club) left footed shot from the right side of the box is blocked.
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Attempt blocked. Yuri Berchiche (Athletic Club) left footed shot from the left side of the box is blocked. Assisted by Nico Williams.
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Delay over. They are ready to continue.
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VAR Decision: No Goal Athletic Club 0-1 Barcelona.
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GOAL OVERTURNED BY VAR: Iñaki Williams (Athletic Club) scores but the goal is ruled out after a VAR review.
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Hand ball by Iker Muniain (Athletic Club).
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Oier Zarraga (Athletic Club) is shown the yellow card for a bad foul.
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Gavi (Barcelona) wins a free kick on the right wing.
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Foul by Oier Zarraga (Athletic Club).
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Corner, Barcelona. Granted by Íñigo Martínez.
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Attempt blocked. Ansu Fati (Barcelona) right footed shot from the centre of the box is blocked.
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Substitution, Athletic Club. Gorka Guruzeta replaces Alex Berenguer.
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Substitution, Athletic Club. Ander Capa replaces Oscar De Marcos.
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Substitution, Barcelona. Ansu Fati replaces Sergi Roberto.
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Substitution, Barcelona. Marcos Alonso replaces Raphinha.