Alavés, which faces Celta Vigo at home on Sunday, dropped to bottom in the 20-team standings.
Huesca beat Levante 2-0 to move closer to breaking out of the relegation zone in the Spanish league.
Rafa Mir scored a goal in each half on Friday to end the visitors' four-game winless streak and leave the team in 18th place, just a point from safety. Huesca began the match in last place.
Alavés, which faces Celta Vigo at home on Sunday, dropped to bottom in the 20-team standings. Alavés is immediately behind Eibar, which visits third-place Real Madrid on Saturday.
The first team outside the relegation zone is Elche, which hosts Real Betis on Sunday.
At the top, Atlético Madrid has a four-point lead over Barcelona. Atlético visits fourth-place Sevilla on Sunday, while Barcelona hosts Valladolid on Monday.
