Sevilla rout 'horrendous' Barca in shocker

Sanchez haunts old club, Atletico held

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Sevilla's Cesar Azpilcueta, left, and Marcao celebrate their team's third goal against Barcelona.

(REUTERS)

Spanish champions Barcelona collapsed in a shock 4-1 demolition at Sevilla on Sunday in La Liga, with Alexis Sanchez scoring against his former side and Robert Lewandowski missing a penalty for the visitors.

The Catalans sit second in the table after their first league defeat of the campaign, two points behind bitter rivals Real Madrid following Los Blancos' victory over Villarreal on Saturday, while Sevilla rise to sixth.

Real Betis moved fourth with a 2-1 win at Espanyol, thanks to a stoppage-time penalty save by their goalkeeper Pau Lopez, who formerly played for the Catalans.

Atletico Madrid stumbled to a 1-1 draw at Celta Vigo after having Clement Lenglet sent off in the first half and sit fifth.

Veteran Chilean winger Sanchez put Sevilla ahead from the penalty spot early on against Barca and Isaac Romero doubled the hosts' lead after having already missed two good chances.

Marcus Rashford pulled a goal back before halftime, but Lewandowski fired wide from the spot to spurn his team's best chance of an equaliser.