Barca's lethal front three set up win over Sociedad; Atletico keep pace with them

Barcelona stayed on the goal trail as a 4-0 win over Real Sociedad kept them in the driving seat at the top of the Primera Division.

Lionel Messi, Luis Suarez and Neymar all netted as Barcelona followed up their 4-0 humbling of Real Madrid and 6-1 blitzing of Roma in the last week with another comprehensive victory at the Nou Camp.