Robert Lewandowski scored his first competitive goals on his 34th birthday

The Catalan club won at Real Sociedad to record their first La Liga win

Robert Lewandowski needed just 45 seconds to score on his 34th birthday but it was the magic of 19-year-old Ansu Fati that powered Barcelona to a 4-1 win over Real Sociedad.

Inside the first minute Real Sociedad had flooded forward and when shock starter Alejandro Balde, playing wide 

the Polish striker who scored his first league goal for Barcelona inside the first minute.

The lead lasted barely four minutes because Frenkie de Jong made a mistake to allow Real Sociedad back into the game.

Real Sociedad thought they had scored at the restart when Brais Mendes curled a long free-kick past everyone including Marc Andre ter Stegen. 

Real Sociedad had started the second half strongly but Xavi is blessed with the best squad of forwards in La Liga 

Barcelona have signed a lot of players this summer and still want to bring in more. 

Robert Lewandowski scored a brace as Barcelona cruised to a 4-1 victory at Real Sociedad, their first win of the La Liga season.