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Villarreal were superbly marshalled by Mateo Musacchio.
The disparaging among the football fraternity will call it "parking the bus."
In truth, what we saw from Villarreal was a top-class defensive performance from back to front.
Time and again they denied Barca the space they need to exert control over proceedings, and while the game as a spectacle becomes more staccato as a result, you won't find any of the home fans complaining if this is the sort of performance they are treated to each week.
Expertly marshaled by former Tottenham target Mateo Musacchio, the Catalans threw everything at them but were unable to find a way through until the 82nd minute.
Never better than when Victor Ruiz, prostrate on the floor, managed to block a goal-bound effort from Neymar.
What a shame it was Ruiz that played Lionel Messi onside in the lead-up to the opening goal. His performance didn't deserve that one lapse of concentration to be punished.