Valencia posted a record start to a season as they battled to a 2-1 win at lowly Alaves for a sixth consecutive win while Atletico Madrid's inconsistent run continued as they drew 1-1 at home to Villarreal.
The Catalans lead the standings on 28 points, four clear of Valencia and eight above champions Real Madrid, who visit Girona on Sunday. Atletico are fourth with 20 points.
Barca withstood an early onslaught from their coach Ernesto Valverde's former side and German international Ter Stegen made two big saves to thwart veteran striker Aritz Aduriz.
With the game still goalless Messi missed a gilt-edged chance after dancing through the Bilbao defence, striking the near post with the goal gaping, but he made amends by breaking the deadlock in the 36th minute.
In the second half Athletic forward Inigo Cordoba whistled a shot over the bar and Aduriz was denied twice more by the commanding Ter Stegen, while Raul Garcia headed against the woodwork for the persistent hosts.
Brazilian midfielder Paulinho added a barely deserved second goal for Barca in stoppage time, tapping a parried shot from Luis Suarez into an empty net as Athletic were outnumbered on the counter-attack.
"We struggled a lot, especially in the second half," Barca midfielder Sergio Busquets told reporters.
"We were better in the first half and they took more risks after the break so they had more chances but in the end we have continued with our spectacular start and we won at a very difficult ground."
Simone Zaza opened the scoring for Valencia at Alaves in the 34th minute for Marcelino's high-flying side to grab his ninth strike of the campaign and score for the sixth game in a row.
EXCELLENT RUN
Their excellent run came under threat when veteran defender Alexis Ruano headed the hosts level soon after halftime.
Former Valencia loanee Munir El Haddadi nearly put Alaves in front but was denied by Brazilian goalkeeper Neto, and the visitors restored their lead in the 66th minute when Spain forward Rodrigo Moreno converted from the penalty spot, making it seven wins and three draws for Valencia.
"If you had told me when I took over in May that we would be in this position I wouldn't have believed it," Marcelino told reporters.
"We never imagined having this many points and being unbeaten after 10 games, especially when we saw the fixture list. We're in a situation we couldn't have predicted but which we deserve to be in."
In Madrid, Villarreal striker Carlos Bacca's towering header from a corner cancelled out Angel Correa's brilliant opener and boos rang around the Wanda Metropolitano stadium after another disappointing result from Diego Simeone's side, who have won one of their last seven games in all competitions.
Atletico were dominant and finally broke through in the 61st minute when Correa expertly controlled a pass from Antoine Griezmann and squeezed the ball inside the near post, but 20 minutes later Bacca outjumped Atletico's goalkeeper Jan Oblak to level.
"This was our best performance of the last few games, the point doesn't feel like much but I know the players are growing," Simeone said.
"If we keep playing like this we'll be closer to where we want to be."
(Reporting by Richard Martin,; Editing by Ed Osmond)
source: news.abs-cbn.com
