Madrid, April 7 -- FC Barcelona holds a four-point lead at the top of La Liga with eight games remaining after drawing at home to Betis, while Real Madrid suffered a shock home defeat to Valencia in the 30th round of matches in Spain this weekend.

Barca had the opportunity to extend its lead to six points, but after Gavi's opening goal in the seventh minute on Saturday night, Natan's powerful header leveled the score at 1-1.

Although Barca controlled possession for most of the game, they appeared fatigued after playing four matches in just 10 days.

Valencia goalkeeper Giorgi Mamardashvili saved a penalty and made several crucial saves as his side stunned the Bernabeu.

Mamardashvili denied a Vinicius penalty in the 11th minute before...