Barcelona were held to a 1-1 draw by Alaves at the Camp Nou on Saturday, with Sergi Barjuan overseeing his first match as interim coach.
Atletico Madrid's Spanish title defence was dealt a blow as they suffered a shock 1-0 defeat at lowly Alaves in LaLiga on Saturday.
Chelsea have loaned United States men's national team defender Matt Miazga to LaLiga side Alaves, the clubs announced.
Karim Benzema picked up where he left off last season by scoring twice to fire Real Madrid to a 4-1 win away to Alaves.
Basement club Eibar earned a first La Liga win in 17 games on Saturday with a thumping 3-0 home victory over fellow strugglers Alaves.
Atletico Madrid earned a vital 1-0 victory at home to Alaves in La Liga on Sunday thanks to Jan Oblak and Luis Suarez.
Lionel Messi scored two sensational goals as Barcelona beat Alaves to climb to second place in La Liga on Saturday.
Manchester United have loaned winger Facundo Pellistri to Alaves for the remainder of the season.
Karim Benzema scored twice and Eden Hazard picked up a rare goal as Real Madrid beat Alaves in handy fashion in La Liga on Saturday.