Atletico Madrid turned around a poor first-half performance to score four goals after the break and earn a 4-1 win at Cadiz on Sunday.
Barcelona had another disappointing result on Thursday night, being held to a 0-0 draw with Cadiz in a match at the Nuevo Mirandilla.
Real Madrid climbed back atop the La Liga table with a comfortable victory at Cadiz on Wednesday.
La Liga announced on Friday it has found no evidence that Cadiz' Juan Cala directed a racist slur towards Valencia's Mouctar Diakhaby.
La Liga has employed a lip reading expert to investigate allegations of racism made by Valencia defender Mouctar Diakhaby.
The Spanish federation has said it will review the alleged racist incident in Sunday's Valencia-Cadiz match.
Cadiz's Juan Cala, accused of racially insulting Valencia's Mouctar Diakhaby this weekend, said he deserves to be presumed innocent.
Valencia players walked off the pitch during their clash with Cadiz after Mouctar Diakhaby was the victim of an alleged racist comment.
Valencia's players walked off the pitch during Sunday's La Liga match at Cadiz after Mouctar Diakhaby accused an opponent of racial abuse.