Robert Lewandowski's second-half strike helped Barcelona beat Alaves 1-0 on Sunday to cut the gap on La Liga leaders Real Madrid down to four points.The Catalans, third, capitalised with a narrow victory after the champions slipped up across town at Espanyol on Saturday.

There was no rout this time but Barcelona still prevailed Sunday with Robert Lewandowski scoring a second-half winner as the Catalan club beat Alaves 1-0 to move within four points of rival Real Madrid at the top of the Spanish league.

Robert Lewandowski's second-half strike secured a 1-0 win for Barcelona against Deportivo Alaves on Sunday, as the third-placed hosts reduced the gap on LaLiga leaders Real Madrid to four points. Barcelona's second league win in a row lifted them to 45 points after 22 matches,