Troubled AC Milan slipped back to sixth in Serie A on Sunday after they lost 2-1 at home to Atalanta and rivals Udinese beat Fiorentina 3-1.
Serie A leaders Inter Milan beat AC Milan 2-1 to extend their advantage over AS Roma to seven points.
A summary of the opening night's matches in the Champions League.
Meanwhile, France outclassed Ukraine 2-0 and Portugal beat Belgium 2-1 in the other Euro qualifiers.
Two goals by defender Daniel van Buyten, the second in stoppage-time, gave Bayern Munich a 2-2 draw against AC Milan in the first leg of their Champions League quarter-final.
AC Milan and Liverpool won their Champions League qualifying rounds.
Andrea Pirlo and Miralem Pjanic provided the moments of magic to inspire leading Serie A duo Juventus and AS Roma to battling victories on Sunday with the gap between the sides remaining at three points.
The club said in a statement that they will observe a period of self-isolation in accordance with league and UK Government protocols on quarantine.
Barcelona's Gerard Pique is envied. Not just for his footballing skills bout also his football jersey collection.
Argentine Hernan Crespo struck again as AC Milan won 2-0 at Roma on Sunday to keep level at the top of Serie A with Juventus.
Hard running, hard tackling and an ever-visible aggression and determination characterise Gennaro Gattuso.
Orlando City midfielder Kaka is the highest-paid Major League Soccer player for a third consecutive year with over $7 million in annual earnings, according to figures released by the MLS Players Union on Tuesday.
Major League Soccer would provide a good platform for young English players who have struggled to break into the first team, former England captain Steven Gerrard has said.
Boca Juniors edged out AC Milan 3-1 in a penalty shoot-out following an absorbing 1-1 draw after extra time to win the World Club Cup.
The league, which is now conducting tests twice per week, did not name the people who tested positive but said they will self-isolate for 10 days.
Juventus are desperate to win a first Champions League title in a quarter of a century
Juventus midfielder Arturo Vidal smashed home a second-half penalty to earn a 1-0 win at home to Monaco in an absorbing Champions League quarter-final first leg on Tuesday, leaving the tie on a knife-edge.
Juventus appear to be suffering from a predictable early-season slump in the wake of a summer spent fumbling around the transfer market in a bid to rebuild a team that had grown to dominate Serie A.
Juventus's win over Real Madrid has strengthened their conviction that they are good enough to rejoin European football's elite after years of watching the Champions League final stages from the sidelines.
'Betrayed by Ronaldo'
Maverick striker Mario Balotelli has been called up by Italy for the first time since the World Cup in June after being included on Sunday in the squad for next weekend's Euro 2016 qualifier at home to Croatia.
Wales winger Gareth Bale has enough firepower to terrorise opponents in this month's European Championship in France, midfielder Joe Allen has said.
The football fever reaches sky-high with all eyes on Euro 2016. Tournament host France will play the opener against Romania, which will be aired in India post mid-night on June 11. As the UEFA braces for the 15th edition of the European continental championship, the tournament organisers have revealed the all time XI to play in Euro's history.
England great Frank Lampard will have to wait to make his Major League Soccer (MLS) debut after he was ruled out of New York City FC's match against Toronto FC on Sunday with a calf strain.
Manchester United striker Wayne Rooney would be a "great signing" for Major League Soccer, Portland Timbers owner Merritt Paulson said, adding that the 30-year-old still has plenty to offer.
Brazilian veteran Kaka is the highest paid player in Major League Soccer, with a 2016 guaranteed salary of $7.167 million, according to figures released by the Players' Union on Thursday.
A stunning first-half strike by Kwadwo Asamoah gave Serie A leaders Juventus a 1-0 win over Fiorentina as they maintained their 100 percent home record in the league in Sunday.
"It's an honour to welcome Didier Drogba to the Impact," said team president Joey Saputo.
Europe is preparing for UEFA's first full-blown 'week of football' as the marathon Euro 2016 qualifying competition gets into full swing - although it promises to be a distinctly underwhelming experience.
Chelsea beat Sheffield United 2-0 to reach the FA Cup semi-finals for the fourth time in five seasons.
Substitute Alessandro Matri was the unlikely hero when he scored an extra-time winner to give Juventus a 2-1 win over Lazio in the Coppa Italia final on Wednesday, keeping them on course for the treble.
Lionel Messi scored a 50th freekick goal for Barcelona as he led his side to a quick-fire comeback to win 3-2 at Valencia on Sunday and keep the pressure on La Liga title rivals Atletico Madrid and Real Madrid.