Keita struck late in the first help from a Lionel Messi cross to clinch the three points for the Champions.
The result leaves Barca ten points clear of Real Madrid, who play Racing Santander later on Sunday.
Keita struck late in the first help from a Lionel Messi cross to clinch the three points for the Champions.
The result leaves Barca ten points clear of Real Madrid, who play Racing Santander later on Sunday.
