A hat-trick from Pedro and a first-half penalty save by Victor Valdes helped champions Barcelona maintain their 100 percent record in La Liga with a 4-0 mauling of valiant Rayo Vallecano on Saturday.
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Barca have 15 points from five games and are three clear at the top with second-placed Atletico Madrid, who have a perfect record of 12 points, visiting Real Valladolid later on Saturday.
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Barcelona coach Gerardo Martino rotated his squad again with Dani Alves, Andres Iniesta and Alexis Sanchez starting on the bench, and his side were quickly on the back foot against their hard-running and aggressive hosts.
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Valdes was called into action after only three minutes as he saved a point-blank header from Alberto Perea.
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The compact pitch at Vallecas and a turbo-charged start from Rayo had Barca struggling to control an open game, with Lionel Messi and Neymar going close at one end, and Martin Montoya playing a backpass just wide of his own post at the other.
Barcelona are just on fire right now after this massive wins they've been getting now. Neymar was a good addition!