Pedro scores hat-trick as Barcelona 's 100 % La Liga run continues . Score: 6 Struggling home team edges possession to end Barca 's long-running stat . But it does herald a change in approach for a team whose intricate style of `` Tiki-taka '' passing has made it one of the most successful clubs in world football -- a success mirrored and surpassed on the international stage by Spain . Gerardo Martino 's team top on goal difference from Atletico Madrid .
Pedro scores hat-trick as Barcelona 's 100 % La Liga run continues . Score: 6 Struggling home team edges possession to end Barca 's long-running stat . Gerardo Martino 's team top on goal difference from Atletico Madrid .