Red-hot Robert Lewandowski and Pablo Torre struck twice each as Barcelona hammered Sevilla 5-1 on Sunday to stay three points clear of Real Madrid at the top of La Liga ahead of next weekend's Clasico.
Los Blancos beat Celta Vigo on Saturday to pull level with Hansi Flick's side but Barca swiftly restored their advantage with a dominant display of attacking football.
Veteran striker Lewandowski reached 12 goals in 10 La Liga matches, his strikes sandwiching Pedri Gonzalez's effort from the edge of the box, before substitute Torre added the fourth.
Stanis Idumbo grabbed a consolation for Sevilla in the final stages but Francisco Garcia Pimienta's side were roundly beaten on his return to the club he spent nearly three decades with in various roles.