Pakistan, Oct. 6 -- SEVILLE, Spain - Spanish champions Barcelona were stunned by a 4-1 defeat at Sevilla on Sunday in La Liga, as Alexis Sanchez scored against his former club and Robert Lewandowski missed a crucial penalty.

The Catalans remain second in the table, two points behind Real Madrid, while Sevilla rise provisionally to fourth. Veteran Chilean winger Sanchez opened the scoring from the penalty spot, and Isaac Romero doubled the lead after earlier misses. "The team's first 45 minutes were horrendous. we must be self-critical," Barcelona midfielder Pedri Gonzalez told the club's media channel.

Marcus Rashford pulled a goal back for Barcelona before halftime, volleying home Pedri's cross for his first La Liga goal. However, Lewa...