Villarreal vs. Barcelona (1-5) | LALIGA Highlights | All Goals

Villarreal 1-5 Barcelona - Highlights.

Robert Lewandowski, and Raphinha, struck twice each as Barcelona, romped to a 5-1 win, at Villarreal, on Sunday in a wild match to maintain, their perfect start to La Liga.

The leaders' sixth straight league, triumph was marred, by an potentially serious knee, injury to goalkeeper, Marc-Andre ter Stegen, who was taken off on a stretcher.

Lewandowski, netted Barcelona's first two goals, and later missed a penalty, in a thoroughly entertaining, battle on Spain's east coast, at Villarreal's Estadio, de la Ceramica.

Ayoze Perez, pulled his team back, into the game shortly, before half-time, and the hosts had two goals disallowed, with Pablo Torre, and Raphinha's strikes, cementing Barcelona's victory.

After second-placed, Real Madrid thrashed, Espanyol 4-1 on Saturday the Catalans, were able to restore a four-point lead, on the champions.

"It's very important, for us that we played a game away, from home, we scored five goals, and in the end we have three points," said Lewandowski.

"In the end it doesn't matter how, as long as we win that's perfect."

Flick gave Eric Garcia, another start in defensive, midfield despite his early, red card against Monaco, in the Champions League midweek.

The German coach, also started reserve team players, Gerard Martin and Sergi Dominguez, as well as playmaker, Torre in place of the injured Dani Olmo.

Teenage star Lamine Yamal, hit the post early, on before Lewandowski, slotted home in the 20th minute, after Torre slipped him in.

Villarreal goalkeeper, Diego Conde, did well to keep out a bundled, effort from the Polish striker, but Lewandowski pounced, after 35 minutes for his second.

Conde saved Garcia's header, well but the former Bayern Munich, hitman converted, the rebound with an acrobatic finish, from close range.

It was his sixth, La Liga goal of the season, taking him two clear of Real Madrid's, Kylian Mbappe, in Spain's golden boot race.