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.
Real Madrid midfielder Martin Odegaard's future is still up in the air, assistant coach David Bettoni said on Friday after the Norway international
Sevilla goalkeeper Bono rescued his side with a 91st-minute penalty save to earn a 2-1 win away to Alaves on Tuesday.
Luis Suarez struck late to snatch a 2-1 victory for Atletico Madrid away to Alaves on Sunday and send his side two points clear of Real Madrid.
Promoted Huesca finally won their first match of the Liga season at the 13th attempt on Saturday as they beat Alaves 1-0 at home.
Real Sociedad were unable to break down 10-man Alaves in a 0-0 draw on Sunday as they failed to return to the top of the La Liga standings.
Real Madrid slid to a shock 2-1 defeat at home to Alaves on Saturday as goalkeeper Thibaut Courtois made a catastrophic error.