After the reigning English Premier League champions suffered a shocking 0-1 defeat at home to Bournemouth on Saturday, will Jose Mourinho continue to lead the defending champions for the second half of the season? Here's a look the men who could take over at Stamford Bridge.
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.
Atletico Madrid's problems deepened as they were held to a 0-0 draw at Villarreal in La Liga on Friday, stretching their winless run to four games in all competitions.
Here are five talking points from the weekend in La Liga:
Real Madrid's Gareth Bale came off the bench and coolly converted a controversial penalty to secure a 2-1 win at Levante in La Liga on Sunday as the European champions rode their luck to stay within nine points of leaders Barcelona.
Cristiano Ronaldo and Lionel Messi will again be duelling for the title of world's best footballer after their names once again headed the shortlist on Thursday for The Best FIFA Men's Player.
Atletico Madrid took advantage of Barcelona's slip-up to go top of La Liga with a 4-0 victory over Real Sociedad as Real Madrid drew 1-1 at Athletic Bilbao and Cristiano Ronaldo was sent off on Sunday.
Morata, who had scored his first goal for the club in last week's 2-0 win over Villarreal, rose to head home from close range on the half-hour mark following a corner which had been flicked on by Atleti captain Diego Godin.
Atletico Madrid took a giant step towards the La Liga title
Late Griezmann strike ends Atletico's away day hoodoo
Holders Barcelona produced a second-half blitz to come from behind and beat Athletic Bilbao 3-1 to book a place in the King's Cup semi-finals after Atletico Madrid crashed out in a shock 3-2 defeat by Celta Vigo.
Thomas Partey scored his first goal for Atletico Madrid as they reached the last 16 of the King's Cup with a 1-0 home victory over third-tier Reus on Thursday that secured a 3-1 aggregate success.
IMAGES from the soccer matches played in Spain and Italy on Saturday
Holders Bayern Munich recovered from the shock of a stunning Patrice Evra goal to score three times in quick succession to beat Manchester United 3-1 and reach the Champions League semi-finals on Wednesday.
The 19-year-old Mbappe followed up a domestic treble with Paris St Germain with a string of impressive performances in France's World Cup winning campaign.
News of all that's transpired on and off the football field
There were a few nerves at the end but Liverpool set up a Champions League semi-final with Spain's Villarreal after Roberto Firmino scored twice in a 3-3 second-leg draw with Benfica on Wednesday to ensure a 6-4 aggregate win.
The three Premier League and three La Liga clubs in the last eight avoided each other, with Manchester City up against Atletico Madrid and Liverpool to face Portuguese side Benfica.
Cristiano Ronaldo struck twice as leaders Real Madrid subdued Eibar 4-0 on Saturday while Lionel Messi set a La Liga record of 253 goals with a hat-trick in second-placed Barcelona's 5-1 rout of Sevilla.
Salzburg forced Lazio into a second-half capitulation as the Italians crashed out in the Europa League quarter-finals after losing 4-1 but Olympique de Marseille staged a thrilling fightback to see off visitors Leipzig 5-2 on Thursday. Arsenal also reached the semi-finals after recovering from a wobble to draw 2-2 at CSKA Moscow and progress 6-3 on aggregate, while favourites Atletico Madrid reached the last four after losing 1-0 at Sporting to go through 2-1 over the two legs.
Antoine Griezmann had plenty of painful memories to erase in Thursday's European Championship semi-final against Germany and he did that in style, scoring twice to lead the host nation to an historic 2-0 victory over the world champions.
Barcelona twice threw away the lead to draw 3-3 at Levante on Tuesday in a potentially fatal blow to their chances of winning the La Liga title.
Used to relying heavily on one key player for their European glory in the past -- Michel Platini and Zinedine Zidane in the 1984 and 2000 tournaments respectively -- French fans have two talented players on whom to pin their hopes at Euro 2016.
Images from the football matches played across Europe on Sunday
Lionel Messi notched a 20th assist of the season to help a lacklustre Barcelona secure a 1-0 win away to Real Valladolid on Saturday, maintaining the pressure on La Liga leaders Real Madrid. Cristiano Ronaldo converted two penalties, both awarded for handballs and the second in the last minute, as Serie A leader Juventus twice hit back to draw 2-2 with Atalanta to move closer to a ninth successive Serie A title on Saturday.
Cristiano Ronaldo grabbed a record 23rd La Liga hat-trick to guide leaders Real Madrid to a 3-0 victory over Celta Vigo. It also helped the European champions extend their club record winning streak to 18 matches in all competitions.
'They aren't machines, they are the best players in their position but they aren't unbeatable or unsurpassable.'
Barcelona beat local rivals Espanyol 2-0 in the Catalan derby on Saturday to maintain their 10 point lead at the top of La Liga, while Real Madrid scraped a 3-2 win against bottom side Huesca on Sunday.
Images from matches played across European leagues on Saturday
IMAGES from football matches played in the Spain, Germany and Portugal on Wednesday.
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.
Spanish teams have ruled with an iron fist in Europe for the last few years but a disappointing round of results in the Champions League has left the media wondering if this dominant era might be grinding to a halt.
A Marco Asensio-inspired Real Madrid crushed Eibar 3-0 to close the gap on La Liga leaders Barcelona to five points on Sunday, with Karim Benzema starting on the bench.
Photos from the UEFA Champions League last 16 first leg-matches played on Wednesday
Real's Cristiano Ronaldo will be going in search of his third consecutive World Player of the Year award
News of all that's transpired on and off the football field
Atletico Madrid striker Diego Costa haunted Arsenal again by firing his side to a 1-0 win in Thursday's Europa League semi-final second leg to send the Spaniards into the final and deny Arsene Wenger a dream end to his long reign as Arsenal coach.
La Liga's reputation as the epicenter of world soccer talent has been bruised by the world record smashing sale of Neymar to Paris St Germain and how Barcelona react to the departure of one of their leading players will define the new season in Spain.
Mbappe becomes PSG's all-time highest goal-scorer as French champions extend lead
After falling 2-0 down on the night, substitute Marcos Llorente struck twice in extra-time and Alvaro Morata added a late third to ensure a famous victory for Diego Simeone's side against a Liverpool team unbeaten in their last 25 home games in European competition.