Barcelona take first place in La Liga with 5 - 0 demolition of previous leaders . Defending champions move three points clear as striker David Villa scores twice . Jose Mourinho suffers his first defeat since taking charge of Real Madrid . Visitors have Sergio Ramos sent off at the end as tempers boil over at Nou Camp .
Barcelona claim first place in La Liga with 5-0 demolition of previous leaders . Defending champions move two points clear as striker David Villa scores twice . Jose Mourinho suffers his first defeat since taking charge of Real Madrid . Visitors have Sergio Ramos sent off at the end as tempers boil over at Nou Camp .