Cristiano Ronaldo scored the 750th goal of his remarkable career in a 3-0 win over Dynamo Kyiv on Wednesday
Manchester City's Kompany out of Liverpool clash with calf injury
IMAGES from the EPL match played between Chelsea and West Brom at Stamford Bridge in London on Monday
Premier League leaders Manchester City turned on the style with a 3-1 win over Manchester United in their derby clash, on Sunday, leaving Pep Guardiola's unbeaten side two points clear of Liverpool.
Here, Reuters Sport highlights five reasons why last season's double winners have collapsed.
Real Madrid set a Spanish record of 40 matches unbeaten in all competitions after they came back from two goals behind to snatch a 3-3 draw at Sevilla with a last-gasp equaliser from Karim Benzema in the King's Cup on Thursday.
La Liga leaders Barcelona drew 0-0 at Huesca on Saturday and are nine points clear of second-placed Atletico Madrid, who cut the gap by beating Celta Vigo 2-0.
The draw means second-placed Atletico Madrid could close the 12-point gap with Barcelona, who are on 74 points, if they beat Celta Vigo later on Saturday.
With the teams having played their second matches in the league stage in Euro 2020, at the conclusion of the Spain-Poland match in Group E on Saturday, here's a look at the best goals from those matches.
Juventus substitute Cristiano Ronaldo was denied a stoppage-time winner by VAR as Udinese came from two goals down to snatch a 2-2 draw in their thrilling Serie A season opener on Sunday.
'This crisis is going to be much bigger than anything we've experienced and anything we do will not be enough but my aim is to help, it might not be enough in some cases but I have to try'
Hazard's dribbling and movement, on and off the ball, constantly posed questions for the Liverpool defence and the winger, who was so central to Chelsea's title triumph last year, certainly looks back up to full speed.
Chelsea beat Arsenal 3-2 in a pulsating London English Premier League derby on Saturday with defender Marcos Alonso scoring an 81st-minute winner after the Gunners had fought back from an early 2-0 deficit.
Barcelona failed to capitalise on Real Madrid dropping points against Villarreal as the La Liga champions were held to a 1-1 draw at home to Atletico Madrid on Wednesday, while talisman Lionel Messi limped off with a groin injury.
Juventus continued their charge towards a fourth successive Serie A title as they predictably swept aside AC Milan 3-1 on Saturday to complete a league double over their old rivals.
Champions Chelsea have not enjoyed the best of starts at home this season and face their biggest test yet on Saturday with the visit of free-scoring leaders Manchester City.
Ousmane Dembele struck early and Lionel Messi converted a late penalty as Barcelona won 2-0 at Juventus in the Champions League on Wednesday after Alvaro Morata had three goals disallowed for offside for the Serie A side.
Images from the English Premier League matches played on Saturday
Hellas Verona produced a huge upset by coming from behind to beat Serie A leaders Juventus 2-1 on Saturday, inflicting a third defeat of the season on the Italian champions. Cristiano Ronaldo set a new Juventus record by scoring in a 10th consecutive league game to put the visitors in front at the Stadio Marc'Antonio Bentegodi after 65 minutes.
Juventus won a second consecutive double when substitute Alvaro Morata's extra-time goal secured a 1-0 Italian Cup final win over AC Milan who missed out on Europe for a third successive season on Saturday.
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.
Check out the top footballers of the weekend.
Juventus spent about 12 million euros ($13.42 million) to sign Carlos Tevez, a fraction of what Real Madrid paid for Gareth Bale and Cristiano Ronaldo, yet it was the Argentine who called the shots in their Champions League clash on Tuesday.
Images from the football matches played across Europe on Sunday
Lionel Messi's double strike helped Barcelona scrape a 3-2 victory over Real Sociedad on Saturday to keep the pressure on La Liga leaders Real Madrid, who needed a brace from Isco to beat Sporting Gijon by the same scoreline.
Barca, who were without injured talisman Lionel Messi, started on the back foot and fell behind when Nabil Fekir netted with a sublime angled strike in the 15th minute. Griezmann, who joined Barca last month from rivals Atletico Madrid, scored four minutes before halftime to level the scores.
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.
Images from the UEFA Champions League matches on Tuesday night.
Spain's Alvaro Morata scored a goal in each half as they beat a highly defensive Malta side 2-0 away on Tuesday to move top of their Euro 2020 qualifying group with two wins out of two games.
Lionel Messi created a goal and scored another as Barcelona came from behind to beat struggling Rayo Vallecano 3-1 at home on Saturday and stay seven points clear at the top of 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.
The suggestion that Spain need to change their playing style is already meeting resistance even though another disappointing performance at a major soccer tournament suggests that tiki-taka has run its course. In many countries, a defeat as comprehensive as the one Spain suffered against Italy in Euro 2016 on Monday, when they were outplayed and lucky to lose only 2-0, would have led to calls to knock everything down and start again. In Spain, however, where many are proud of having such a distinctive style of play, there are plenty of voices calling for the team to continue trying to pass the ball all the way into the goal.
The world's most expensive player, Gareth Bale of Wales, will face an ageing goalkeeper looking for a club in Saturday's intriguing all-British showdown against fellow debutants Northern Ireland.
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.
For all Vicente del Bosque's confidence that he has the right balance of experience and youth to return Spain to their familiar place on the winner's rostrum, questions remain about his best starting line-up ahead of Euro 2016.
Carlos Tevez scored a solo goal after a run that started inside his own half to cap an emphatic 7-0 win for Serie A leaders Juventus over hapless Parma on Sunday.
Manchester City embark on a fifth Champions League campaign buoyant after a perfect start to their domestic season but still searching for the secret formula against Europe's top brass.
Jubilant fans thronged central Belgrade, bringing traffic at the main Republic Square to a halt as they waved Serbian flags and hooted their car horns.
Photos from the match between Bayern Munich and Juventus played on Wednesday
IMAGES from the English Premier League matches played on Sunday