Barca scores hat-trick as Barcelona 's 100 % La Liga run continues . Barcelona also scores in July 's more than 300 -0 victory over Gerardo Martino 's . Struggling home team edges possession to end Barca 's long-running stat . Gerardo Martino 's team top on goal difference from Atletico Madrid .
Pedro scores hat-trick as Barcelona 's 100 % La Liga run continues . Cesc Fabregas also scores in Saturday 's 4-0 victory over Rayo Vallecano . Struggling home team edges possession to end Barca 's long-running stat . Gerardo Martino 's team top on goal difference from Atletico Madrid .