Inter Milan squander a two-goal lead to draw 2-2 with Torino, keeping the Serie A title race alive with four rounds left.
Galatasaray struck twice in extra time to end 10-man Juventus' brave fightback and reach the Champions League's last 16, progressing with a 7-5 aggregate victory.
Late goals from Dani Olmo and Robert Lewandowski earned LaLiga leaders Barcelona a hard-fought 2-0 victory over Espanyol.
IMAGES from Serie A matches played on Sunday
IMAGES from UEFA Champions League matches played on Wednesday
Manchester City secured top spot in Group G of the Club World Cup with a 5-2 thrashing of Juventus on Thursday, exposing the Serie A side's defensive frailties in emphatic fashion.
All the action from La Liga and Serie A matches played on Monday
Inter Milan missed the chance to go top of Serie A as they fell to a 1-0 loss at Juventus on Sunday.
Barcelona's Ferran Torres scored twice to help secure a late 4-2 comeback win at Atletico Madrid in a pulsating LaLiga clash on Sunday.
IMAGES from matches played across European leagues on Saturday
Yildiz gave Juve the lead after 21 minutes with a stunning curling shot from just inside the box, leaving goalkeeper Joel Drommel helpless as the ball went in off the inside of the post.
Lewandowski strike gives Barcelona 1-0 win over Alaves
Real Madrid hit their stride at the Club World Cup on Tuesday, edging Juventus 1-0 to reach the quarter-finals thanks to a second-half strike from academy graduate Gonzalo Garcia.
Real Madrid ended a turbulent week with a 2-0 LaLiga win over lowly Levante on Saturday courtesy of second-half goals from Kylian Mbappe and Raul Asencio.
Allegri was sent off towards the end of the game for his fierce protests over refereeing decisions.
Piotr Zielinski converted two penalties for Inter Milan as they played out a thrilling 4-4 draw with Juventus.
Paris St Germain seized control of their Champions League playoff with a commanding 3-0 first-leg win at Brest on Tuesday, driven by a brace from forward Ousmane Dembele.
Jude Bellingham converted a penalty and Kylian Mbappe added another goal before halftime to spur Real Madrid to a 2-0 victory over Getafe.
Empoli beat Juventus 4-2 on penalties to advance to their first ever Coppa Italia semi-finals on Wednesday after a resilient performance helped them to hold the defending champions to a 1-1 draw in regular time.
For Napoli, the match highlighted their struggling form, marking three consecutive defeats across all competitions for the first time since October 2016. They are fifth with 24 points.
Real Madrid's Rodrygo struck twice and Jude Bellingham was also on target as the visitors enjoyed a 3-0 win at lowly Cadiz.
IMAGES from football matches played across Europe on Wednesday.
Juventus have been deducted 15 points for the current season by an Italian soccer court investigating its transfer dealings.
Vinicius Jr came off the bench to score once and set up another goal to steer champions Real Madrid to a 4-1 fightback victory over Espanyol.
Barcelona dropped their first points in LaLiga this season as Rayo Vallecano fought back to secure a 1-1 draw at home to the champions.
Chelsea came from behind to beat Crystal Palace 3-1 thanks to added time goals from Conor Gallagher and Enzo Fernandez.
A round-up of Tuesday's action in the UEFA Champions League.
A summary of Wednesday's action in the UEFA Champions League.
La Liga leaders Real Madrid cruised to a 4-0 home win over relegation-threatened Celta Vigo on Sunday to restore their seven-point lead at the top of the table with a dominant display.
IMAGES from Serie A matches played on Saturday.
A first-half strike from Pedri gave Barcelona a 1-0 win over Villareal to extend their lead over Real Madrid at the top of LaLiga to 11 points
IMAGES from the UEFA Champions League matches played on Wednesday
Leverkusen's Schick scores hat-trick in comeback win over Heidenheim.
Morata to stay on loan at Juventus for another season
Manchester City have one just victory from their last 10 games across all competitions.
IMAGES from soccer matches played across Europe on Sunday.
Bayern Munich have signed Dutch defender Matthijs de Ligt from Juventus on a deal until 2027, the German Bundesliga champions said on Tuesday.
Manchester United conceded two late own goals to allow Sevilla to snatch a 2-2 draw in the first leg of their Europa League quarter-final at Old Trafford on Thursday.
'Betrayed by Ronaldo'