The 36-year-old hitman looks far sharper than last season and has 12 goals in 11 games across all competitions.
The Catalans won all seven of their opening fixtures but Flick's heavily rotated side came badly undone in Pamplona as Ante Budimir scored a brace either side of Bryan Zaragoza's strike.
Barcelona coach Hansi Flick backed reserve goalkeeper Inaki Pena to replace stricken team-mate Marc-Andre ter Stegen on Tuesday, but also said the club must discuss if they will sign a replacement.
Barcelona goalkeeper Marc-Andre ter Stegen will have surgery on a ruptured knee tendon, the Catalan club said Monday, with the club's captain potentially sidelined for the rest of the season.
Yamal, who grabbed the spotlight as he helped Spain win their fourth European Championship title in July, scored twice in the first half before Dani Olmo and Pedri secured the win with Flick's side maintaining their unbeaten start to the league season.
"I know Robert (Lewandowski) really well and I don't think he has returned to form because that's how I have always seen him as a player," Flick told DAZN.
New Barcelona manager Hansi Flick said he expects Ilkay Gundogan to stay this season after reports linked the midfielder with a move away from the LaLiga club.
The German coach celebrated his first competitive match at the helm with three points as Barca came from behind against Ruben Baraja's solid Valencia side.
RB Leipzig's Spain international Dani Olmo is leaving after more than four years at the Bundesliga club, the midfielder said on Friday, and is now expected to join Barcelona.
The 36-year-old hitman looks far sharper than last season and has 12 goals in 11 games across all competitions.
The Catalans won all seven of their opening fixtures but Flick's heavily rotated side came badly undone in Pamplona as Ante Budimir scored a brace either side of Bryan Zaragoza's strike.
Barcelona coach Hansi Flick backed reserve goalkeeper Inaki Pena to replace stricken team-mate Marc-Andre ter Stegen on Tuesday, but also said the club must discuss if they will sign a replacement.
Barcelona goalkeeper Marc-Andre ter Stegen will have surgery on a ruptured knee tendon, the Catalan club said Monday, with the club's captain potentially sidelined for the rest of the season.
Yamal, who grabbed the spotlight as he helped Spain win their fourth European Championship title in July, scored twice in the first half before Dani Olmo and Pedri secured the win with Flick's side maintaining their unbeaten start to the league season.
"I know Robert (Lewandowski) really well and I don't think he has returned to form because that's how I have always seen him as a player," Flick told DAZN.
New Barcelona manager Hansi Flick said he expects Ilkay Gundogan to stay this season after reports linked the midfielder with a move away from the LaLiga club.
The German coach celebrated his first competitive match at the helm with three points as Barca came from behind against Ruben Baraja's solid Valencia side.
RB Leipzig's Spain international Dani Olmo is leaving after more than four years at the Bundesliga club, the midfielder said on Friday, and is now expected to join Barcelona.
Toni Fernandez, who signed with Barca earlier this month after turning 16, flicked in a left-footed shot past reserve City goalkeeper Stefan Ortega to give the German manager's side a 4-1 win on penalties after the teams played to a 2-2 draw.