Robert Lewandowski scored twice and Eric García and Pablo Torre added goals. It was Barcelona's first win after consecutive losses in La Liga to end last year.
Runaway leaders Liverpool hold a five point advantage over second-placed Arsenal and have two games in hand to come, starting with Sunday's clash against struggling Manchester United at Anfield.
Ace Indian leg-spinner Yuzvendra Chahal took to Instagram and put out an emotional message his story in which he spoke about his hard work and making his parents proud.