Alaves continued their excellent home form by recovering to beat Valencia 2-1 and move above Real Madrid in La Liga.
Valencia captain Dani Parejo gave the visitors the lead with a swerving free-kick in the 14th minute.
But Alaves, who are the only side in Spain's top flight alongside Atletico Madrid to still be unbeaten at home this season, soon hit back.
Striker Borja Baston levelled in the 21st with a deflected shot from inside the area before midfielder Tomas Pina put Alaves ahead in first-half stoppage time after a period of heavy pressure.
The win takes Alaves to 31 points from 18 games, one ahead of Real Madrid, who host Real Sociedad on Sunday,
"It's unbelievable that we have got to 31 points at this stage and our performance today was also unbelievable," said Alaves coach Abelardo Fernandez, who inherited a side fighting for La Liga survival when he took charge 13 months ago.
Elsewhere, bottom club Huesca recorded their first-ever La Liga home victory after coming from behind to beat high-flying Real Betis 2-1.
The visitors, looking to close the gap on the top five, had made the breakthrough early in the second half.
Antonio Sanabria converted from the penalty spot 10 minutes after the break after Cristian Tello was tripped by defender Xabier Etxeita as he cut in from the right.
Huesca had started out some eight points adrift and without a win since the opening weekend of their first campaign in the Spanish top flight, but stepped things up after falling behind and twice went close through Colombia forward
With 15 minutes left, David Ferreiro headed in a cross from substitute Alex Gallar at the back post to level things up.
The home side took the lead after 79 minutes when Christian Rivera fired the ball in after it was knocked to the edge of the Betis area following a free-kick.
Wild celebrations from the home support and bench followed the final whistle with the deficit now down to five points.
A first-minute goal from Alvaro Medran earned Rayo Vallecano a 1-0 win at Valladolid.
Stole Dimitrievski saved a penalty from Miguel Alfonso with two minutes remaining to ensure victory for relegation-threatened Rayo.