Raphael Varane was the unlikely hero for Real Madrid with the defender scoring twice in the second half to seal victory, after Javier Galan's stunning strike had put SD Huesca in front.
Clasico: Barcelona responded to Thibaut Courtois' comments about Lionel Messi by posting a brilliant video on their Twitter handle.
Karim Benzema scored a dramatic injury-time equaliser to salvage a 1-1 draw for Real Madrid against Valencia at Mestalla.
Real Madrid's fifth league win in a row means they sit second in La Liga for the first time since September, above Atletico Madrid.
Atletico Madrid scored two goals in extra-time to beat Real Madrid 4-2 in the UEFA Super Cup.
Thibaut Courtois moved to European champions Real Madrid on Wednesday for a reported 38million pounds (48.5million dollars, 42million euros).
Thibaut Courtois has joined Real Madrid for a reported fee of $40.6 million on a six-year deal.
Chelsea agreed to sell Belgian goalkeeper Thibaut Courtois to Real Madrid in a deal worth around 35 million euros.
Real will pay 35 million euros to bring the Belgium international, voted the best goalkeeper at the World Cup, to the Bernabeu, according to Marca.
Courtois, 26, has a year remaining on his contract and has been repeatedly linked with a move to Real Madrid
The 26-year-old former Atletico Madrid number one has a year remaining on his Chelsea contract, but agent Christophe Henrotay said Courtois wants a move to the Spanish capital to be close to his two children.
Courtois' future at Stamford Bridge remains uncertain, but Sarri hopes the Belgium goalkeeper will stay.
Sarri described Hazard as one of the top two or three players in Europe and said he would like to meet with him.
A 'golden generation' featuring Thibaut Courtois, Kevin De Bruyne, Eden Hazard and Romelu Lukaku helped Belgium edge past Brazil in the quarters.
Thibaut Courtois blazed his penalty over the bar before substitute Alvaro Morata shot wide, allowing Olivier Giroud to seal victory for Arsenal.
Chelsea are second in the Premier League table after four games with 10 points, two points behind leaders Manchester City. Manchester United are third on nine points
Chelsea were leading 2-1 when Thibaut Courtois was sent off for fouling Bafetimbi Gomis right on the edge of his area in the 52nd minute and the French striker scored from the spot.