Real Madrid returned to winning ways after last weekend's drubbing at Atletico but failed to convince and were whistled by their own fans during a drab 2-0 victory at home to Deportivo La Coruna on Saturday.
Gareth Bale angered Real Madrid team mate Cristiano Ronaldo for the second La Liga game in a row on Saturday.
Real Madrid's teenage Brazilian duo Vinicius Junior and Rodrygo Goes sent them top of La Liga as both scored in a 2-0 win over Osasuna on Wednesday.
Portugal international Goncalo Guedes fired Valencia into the lead in the 35th minute with a thumping shot from inside the area which was too powerful for Madrid goalkeeper Keylor Navas.
The Belgian forward came off the bench to make his Real debut in Saturday's 3-2 win over Levante, having had his start to life at the club hit by a thigh injury the day before the La Liga season began.
Real Madrid put their title defence back on track with a comfortable 3-1 win over Real Sociedad at Anoeta on Sunday, despite missing several key players. Sociedad defender Kevin Rodrigues scored at both ends and Borja Mayoral and Gareth Bale netted Madrid's other goals to help them equal the consecutive scoring record of 73 games set by Pele's Santos between 1961 and 1963.
Real Madrid coach Zinedine Zidane cursed his side's carelessness after the European champions threw away a two-goal lead against Legia Warsaw and needed a late equaliser from Mateo Kovacic to salvage a 3-3 draw on Wednesday.
Barcelona drew 1-1 at Valencia after Real Madrid lost 1-0 away to Alaves, allowing Sevilla to go top of La Liga with a 2-1 home win over Celta Vigo on Sunday. Here are five talking points from the weekend's La Liga action.
Barcelona won the La Liga title with a comfortable 3-0 victory at Granada thanks to a Luis Suarez hat-trick in the season finale on Saturday.
Barcelona finished three points behind Real Madrid last season but there is concern the gap between Spain's biggest two sides could be far larger this season.
Real Madrid lost 2-1 at home to Celta Vigo in their Spanish King's Cup quarter-final first leg on Wednesday to slump to their second defeat in a row following a record winning streak.
Meanwhile, Real Mallorca made a dream return to La Liga with a 2-1 victory over Eibar at the Estadi Son Moix on Saturday, less than two months after sealing back-to-back promotions to rejoin Spain's soccer elite.
Real Madrid's faltering title defence continued as they were held to a thrilling 2-2 draw at Celta Vigo on Sunday which saw them fall 16 points behind runaway leaders Barcelona, who beat Levante 3-0 to stay nine points clear at the top of La Liga.
Real Madrid opened a three-point lead over Barcelona at the top of La Liga when Cristiano Ronaldo scored his eighth goal of the campaign in a 3-1 victory at home to promoted Las Palmas on Saturday.
Arsenal manager Unai Emery was pleased with his team's first away clean sheet of the season.
Neymar stole the show from the likes of Lionel Messi, Cristiano Ronaldo and Gareth Bale when the Brazilian's strike set Barcelona on the way to a 2-1 win over Real Madrid in Saturday's 'Clasico' at the Nou Camp.
Diego Costa gave Europa League holders Atletico a dream start against Champions League winners Real by firing them ahead after 49 seconds, knocking down a long pass and smashing the ball into the net from a tight angle.
Cristiano Ronaldo missed a penalty as Real Madrid and neighbours Atletico were held to draws leaving Barcelona with an eight-point lead at the top of La Liga and 13 matches left.
Ronaldo had failed to score in his last four league games for Real and his rotten run in front of goal looked set to continue when his spot-kick was turned away by visiting goalkeeper Roberto.
Real Madrid captain Sergio Ramos performed another rescue act to wreck Napoli's brave comeback attempt and take the Champions League title-holders into the quarter-finals.
Real Madrid and Atletico each slipped 10 points behind La Liga leaders Barcelona after an intense Madrid derby finished goalless and the Catalans picked up an 11th victory in 12 games by winning 3-0 at Leganes.
Prolific Cristiano Ronaldo hit a 35th hat-trick for Real Madrid who swept aside Espanyol 6-0 in a ruthless attacking display in La Liga on Sunday.
Real Madrid dropped points for the third time in seven games since Zinedine Zidane's return as they were held to a 0-0 draw away to Getafe in La Liga on Thursday, which harmed their neighbours' hopes of a top-four finish.
A summary of the results of the major European football league matches on the weekend.
Real Madrid coach Zinedine Zidane says he is unsure of his future at the club despite leading them to the Champions League final.
Chelsea's Spanish striker Diego Costa was named along with usual suspects Lionel Messi and Cristiano Ronaldo in the 23- man FIFA Ballon D'Or short-list released on Tuesday.
German national football team manager Joachim Low has admitted his side were 'scared' ahead of Friday night's friendly with France due to an earlier bomb threat in the capital.
Real Madrid midfielder Casemiro has defended team mate Gareth Bale after the Welshman was jeered by sections of the Bernabeu crowd during Wednesday's 3-0 win over APOEL Nicosia in the Champions League.
Real Madrid will carry their momentum from Saturday's 'Clasico' victory over rivals Barcelona into their Champions League quarter-final first leg at struggling VfL Wolfsburg on Wednesday, coach Zinedine Zidane said. Real scored their first league win at the Nou Camp since 2012, inflicting the first home defeat for Barcelona since February 2015. "It is very important to have got the win here for our confidence and for the remainder of the season and with it coming right before our Champions League game in Germany," said Zidane. "We know just how important the Champions League is and we want to advance, so winning here in Barcelona was very important." The Frenchman took over from Rafael Benitez at the start of the year and on Saturday came through his first big test with flying colours.
Real Madrid coach Rafa Benitez has been relying on second-string players to get the club through a mini injury crisis but should have several of his heavyweights back when Paris St Germain visit in the Champions League on Tuesday.
Real Madrid have enviously looked on as Barcelona claimed six La Liga titles in the last eight years, but Zinedine Zidane's side can take a huge step towards a first crown since 2012 with victory over their bitter rivals at the Nou Camp on Saturday.
Midfielder Dani Ceballos added: "It looks like us changing our coach worked. We have recovered some sensations we had lost and we have got the three points. Now our objective is to win all the games left and finish the season as well as possible."
Subdued atmosphere at the Nou Camp after the deadly attacks in the Catalan capital and the town of Cambrils.
A summary of Tuesday's group matches in the UEFA Champions League.
Forward Olivier Giroud, jeered by France supporters barely a month ago, won them over on Sunday with what he described as his best performance for his country in a major tournament, scoring twice in the 5-2 win over Iceland at Euro 2016.
European champions Real Madrid head to rampaging Borussia Dortmund for their Champions League Group F game on Tuesday in a frazzled state with their buoyant start to the season having been punctured by successive La Liga draws.
Real Madrid moved four points clear of Barcelona at the top of La Liga with Cristiano Ronaldo scoring either side of a Gareth Bale strike in a 3-0 win at Getafe on Sunday.
Under-pressure Real Madrid coach Rafa Benitez believes there is a campaign against him and the club and that the team is not playing as badly as is being made out ahead of the La Liga game against Real Sociedad on Wednesday.
Real Madrid must play with patience against VfL Wolfsburg when they try to overturn a 2-0 deficit in Tuesday's ChampionsLeague quarter-final second leg, manager Zinedine Zidane said.
How Real Madrid's players reacted to Zinedine Zidane's stepping down as Real Madrid coach.