Inter Milan staged a late smash-and-grab raid as goals by Mauro Icardi and Matias Vecino secured a 2-1 home win over Tottenham Hotspur in their Champions League Group B opener on Tuesday.
Real Madrid produced a gutsy performance to earn a 1-0 win at Sevilla, on Sunday, which took them level on points at the top of La Liga
Napoli forward Gonzalo Higuain is feeling the wrath of the club's fans following widespread reports he is about to jump ship and join bitter rivals Juventus. Italian media have reported that Juventus, Italian champions for the past five seasons, are on the point of signing the prolific Argentina striker, who last season scored a record 36 Serie A goals.
Marcos Alonso scored for Fiorentina and then almost immediately gifted Gonzalo Higuain the equaliser for Napoli in a pulsating, end-to-end 1-1 Serie A draw on Monday.
Mesut Ozil guided Arsenal to a 2-0 victory over Napoli while a late Cesc Fabregas header gave Barcelona a laboured 1-0 win at 10-man Celtic in the Champions League on Tuesday.
Draxler makes PSG debut as holders advance into French Cup last 32
Former European champions Celtic were helped by two own goals as they thumped Astana 5-0 at home and a late goal from Wissam Ben Yedder gave Sevilla a 2-1 win at Istanbul Basaksehir in torrential rain.
A summary of Saturday's action in the Serie A, Ligue 1 and Bundesliga
Real Madrid forward Vinicius Jr scored a hat-trick to help the LaLiga champions snap a two-game winless run in all competitions.
A round-up of matches played in the Serie A and French Ligue 1 on Sunday
Marek Hamsik gave hosts Napoli an early lead 10 minutes into the game before Paolo Cannavaro and a Davide Astori own goal made it 3-0 as they galloped towards a fifth straight league win.
Ezequiel Lavezzi and Edinson Cavani combined to spark Napoli's 3-1 comeback win over Chelsea in their Champions League last 16 first-leg match on Tuesday that deepened the gloom hanging over the London club.
Two goals in three minutes from Napoli's Goran Pandev were not enough to secure victory as his side threw away a two-goal lead to draw 3-3 at home to Udinese in an end-to-end Serie A thriller on Saturday.
Duvan Zapata scored a goal of sheer brute force and determination to set Napoli on the way to a 2-0 win over Sassuolo which moved them another step closer to second-placed AS Roma in Serie A on Monday.
Coach Maurizio Sarri was sent off as Napoli wasted a chance to return to the top of Serie A when they were held 1-1 at home by AC Milan in a tense encounter.
Napoli's Manolo Gabbiadini netted a precious second-half equaliser to earn a 1-1 away draw at Lazio in the first leg of their Italian Cup semi-final on Wednesday.
Napoli's Gonzalo Higuain scored early with an acrobatic volley, his fifth goal in three league games, to set them on the way to a convincing 2-0 win over sluggish AS Roma in Serie A on Saturday.
Defender Miguel Britos was sent off for head-butting an opponent as Napoli lost 3-1 at champions Juventus on Saturday, all but ending their hopes of Champions League football next season.
Napoli striker Gonzalo Higuain and evergreen AS Roma forward Francesco Totti lit up Serie A on Monday as the two teams won in contrasting fashion to boost their bids for an automatic Champions League spot.
A round-up of Saturday's action in Serie A, La Liga and Bundesliga.
Spain international goalkeeper Pepe Reina has left Liverpool for a season-long loan at Serie A club Napoli, but said in an open letter to fans of the five-times European champions it was not his decision to leave Anfield.
Ivan Toney, once Brentford's lynchpin in attack, has moved to Al-Ahli for 40 million pounds ($52.50 million).
News of all that's transpired on and off the football field
Three own goals were scored as Napoli's spectacularly inconsistent season continued with a 4-2 defeat at Empoli on Thursday.
Napoli ended Juventus's hopes of securing a record seventh Italian Super Cup after snatching a dramatic 6-5 shootout win.
Two goals in the first five minutes helped Inter Milan ease to the top of Serie A with a 3-1 win over Napoli on Wednesday.
Napoli put a foot in the Europa League semi-finals with a perfectly crafted 4-1 win at VfL Wolfsburg on Thursday as Marek Hamsik scored twice in an Italian masterclass to bring cheer to beleaguered coach Rafael Benitez.
Gonzalo Higuain netted twice, the first a superb individual effort, to give Napoli a 4-2 win at Lazio while Fiorentina beat Hellas Verona 4-3 in a Serie A scoring spree on Monday.
Napoli coach Maurizio Sarri says he believes that Manchester City are now at the same level as Barcelona and Real Madrid and can go on to win the UEFA Champions League this season.
Napoli's decision to loan Emanuele Calaio to Genoa came back to haunt them on Monday when the 32-year-old scored with a late free kick in a 1-1 Serie A draw costing his owners two points in the race for a Champions League spot.
A round-up of the top-flight football matches played across Italy and Germany on Sunday
AC Milan striker Mario Balotelli has been given a three-match ban for his sending-off at the end of Sunday's 2-1 home defeat by Napoli, the Italian league said in a statement on Monday.
Italian side Napoli has moved into second place in their Champions League Group F on Wednesday with a 3-2 win over French side Marseille at Sao Paolo.
The following is the draw for the Champions League last 16 which was held in Nyon on Monday:
Thomas Meunier volleyed a spectacular last-minute goal to give Paris St Germain a 2-1 win at FC Basel, which took them into the last 16 of the Champions League on Tuesday.
Tracking the key moves this week in the European transfer market
Sevilla stayed firmly on course for a second consecutive Europa League crown when an Aleix Vidal double and a Kevin Gameiro strike secured a thumping 3-0 win at home to Fiorentina in their semi-final first leg on Thursday.
Goals from Gonzalo Higuain and Jose Callejon sent Napoli top of Serie A after they beat Atalanta 2-0 on Saturday while an injury-time Mario Balotelli penalty helped AC Milan come from two goals down to snatch a 2-2 draw at Torino.
Napoli could become the first team in Champions League history to qualify from their group after only three games on Wednesday, providing welcome relief from their recent troubles.
Napoli qualified for the Champions League group stage by winning 3-0 at Bologna on Wednesday and two goals from Mario Balotelli kept AC Milan on course for the qualifying round with a 4-0 victory at Pescara.
