Pablo Machin News
Huesca have lost four of their last five matches to fall six points adrift of safety following their promotion to Spain's top division for just the second time.
Machín takes over following a season in which the Basque Country club finished 16th in the first division of the Spanish league, three points above the relegation zone.
The 49-year-old Fernández recently helped Alavés escape relegation when they were in a similar position to Espanyol's
LaLiga: 63-year-old Sevilla coach Joaquin Caparros reveals chronic leukemia, says it will not prevent him from continuing job
Previously Sevilla's sporting director, Caparros is now acting as coach until the end of the season and the team have won four of his six games in charge so far
La Liga: Wissam Ben Yedder's late goal rescues a point for Sevilla against Leganes; Valencia edge past Huesca
Mikel Vesga's header looked set to earn Leganes a valuable victory but Wissam Ben Yedder sneaked in to score in the 91st minute and earn Sevilla a 1-1 draw.
LaLiga: Sevilla capitalise on title rivals' stuttering form to move into top place with win over Real Valladolid
Sevilla certainly rode their luck, twice needing VAR to deny Real Valladolid an equaliser, with the first cancellation particularly fortunate.