Celtic got their Champions League campaign up and running with an outstanding 3-0 win over Anderlecht in Brussels.
Roma improved their poor away record in the Champions League with a 2-1 victory at Qarabag on Wednesday.
Cristiano Ronaldo scored twice as holders Real Madrid secured a 3-1 win at Borussia Dortmund to maintain their 100 per cent record in Champions League Group H.
Kevin De Bruyne and Raheem Sterling struck as Manchester City moved clear in Champions League Group F with a nervy 2-0 win over Shakhtar Donestsk.
Liverpool's eight-year wait for an away win in the Champions League continued in Russia as Jurgen Klopp's much-vaunted 'Fab Four' failed to strike the right chord in the 1-1 draw with Spartak Moscow.
Monaco were taught a lesson in counterattacking football by Porto in their Champions League match on Tuesday and slumped to a 3-0 home loss after Vincent Aboubakar scored twice.
Napoli bounced back from a poor start to their Champions League campaign with a convincing 3-1 win over Feyenoord on Tuesday.
Wissam Ben Yedder scored a hat trick to lead Sevilla to a comfortable 3-0 win over Maribor in Group E of the Champions League on Tuesday.
Besiktas stayed perfect in Champions League Group G with a 2-0 win over RB Leipzig after first-half goals from Ryan Babel and Talisca on Tuesday.
Harry Kane delivered a Champions League masterclass by hitting a hat-trick and leading Tottenham to a 3-0 demolition of Apoel Nicosia.
Harry Kane lifted Tottenham's Wembley curse by scoring twice and firing his side to an opening Champions League win over Borussia Dortmund.
Manchester City produced an outstanding performance to open their seventh successive Champions League campaign with an emphatic 4-0 win at Feyenoord.
Liverpool's Champions League return did not go entirely to plan as they repeatedly shot themselves in the foot in the 2-2 draw at home to Sevilla.
Last season's semifinalist Monaco were held 1-1 by upstarts RB Leipzig at Red Bull Arena in the clubs' Group G opener.
Shakhtar Donetsk stunned Napoli 2-1 at Metalist Stadium thanks to goals from Taison and Facundo Ferreyra.
Besiktas started their Champions League Group G campaign with a 3-1 win against Porto at the Estadio do Dragao.
Maribor and Spartak Moscow played out a 1-1 draw in their Champions League Group E opener as a referee narrowly escaped being hit by a flare.
Cristiano Ronaldo scored twice to help Real Madrid open their Champions League campaign with a 3-0 win over Apoel on Wednesday.
Lionel Messi summoned another mesmerising performance as Barcelona breezed to a 3-0 win over Juventus in their UEFA Champions League Group D opener at the Camp Nou.
Chelsea marked their Champions League return with a 6-0 Group C rout of Azerbaijan's Qarabag, but sterner tests await.
Free-spending Paris St Germain demonstrated their prowess with a 5-0 thumping of Celtic in their Champions League opener at Parkhead.
Saul Niguez squandered a gilt-edged chance to snatch Champions League victory at the death as Atletico Madrid had to make do with a goalless draw against Roma.
CSKA Moscow forward Timur Zhamaletdinov made a memorable Champions League debut on Tuesday by scoring the winner in a 2-1 comeback victory at Benfica in Group A.
Five-time champions Bayern Munich opened their Champions League campaign with a flattering 3-0 win over 10-man Anderlecht on Tuesday.
Olympiakos conceded a goal after just 69 seconds of their Champions League campaign and went on to lose 3-2 to Sporting Lisbon at home in Group D on Tuesday.
Manchester United eased back into Champions League life as Marouane Fellaini, Romelu Lukaku and Marcus Rashford put Basle to the sword.
Barcelona and Juventus will renew their recent rivalry when they meet at the Camp Nou in the group stage of the UEFA Champions League on Tuesday.
Real Madrid's Cristiano Ronaldo was named UEFA's Player of the Year, beating Lionel Messi and Gianluigi Buffon to the prize.
Champions League holders Real Madrid will face Borussia Dortmund and Tottenham in a difficult group following the draw ceremony in Monaco on Thursday.
The 32 teams in this season's Champions League group stage can now begin to think about their dream draw after the final seeding pots were confirmed following Wednesday's final qualifying ties.
Late goals by central defenders Jose Gimenez and Diego Godin earned Atletico Madrid a 2-0 victory over Juventus in their Champions League round-of-16 first leg at the Wanda Metropolitano, amid more video assistant referee (VAR) controversy.
Late goals from Leroy Sane and Raheem Sterling gave Manchester City a 3-2 win at Schalke 04 in their Champions League round of 16 first leg on Wednesday that put the English side in the driving seat.
Liverpool and Bayern Munich cancelled each other out to draw 0-0 in the first leg of their Champions League round-of-16 clash on a tense night at Anfield.
Barcelona were held to a frustrating 0-0 draw at Olympique Lyonnais in their Champions League last-16 first leg on Tuesday as both sides remained unbeaten in this season's competition.
Marco Asensio scored a late winner for Real Madrid in a 2-1 victory at Ajax Amsterdam, who were left to rue a goal disallowed by the video assistant referee (VAR) in their Champions League round-of-16 first leg on Wednesday.
Tottenham Hotspur will take a commanding lead to the Westfalenstadion next month after beating Borussia Dortmund 3-0 in the first leg of their Champions League round-of-16 clash at Wembley.
Goals from Presnel Kimpembe and Kylian Mbappe left Manchester United with a mountain to climb as Paris Saint-Germain won 2-0 at Old Trafford in the Champions League round-of-16 first leg and Paul Pogba was sent off.
Teenager Nicolo Zaniolo scored a quick-fire double to earn AS Roma a 2-1 win against Porto in their Champions League last-16 first leg on Tuesday.
Manchester United will face Paris Saint-Germain in the Champions League round of 16, while Liverpool have been drawn against Bayern Munich.
Manchester City battled back to winning ways, coming from a goal down to overwhelm Hoffenheim 2-1 in the Champions League with a brilliant Leroy Sane double that ensured they progressed to the last-16 as winners of Group F on Wednesday.
Manchester United endured an undignified end to their topsy-turvy Champions League group stage campaign by losing 2-1 at already-eliminated Valencia on Wednesday and missing their chance of topping Group H.
Olympique Lyonnais earned the point they required to book their place in the Champions League last 16 but needed Nabil Fekir's equaliser 20 minutes into the second half to salvage a 1-1 draw away to Shakhtar Donetsk.
Two goals from striker Guillaume Hoarau led Young Boys to a shock 2-1 Champions League win over already-qualified Juventus on Wednesday to hand the Serie A side their first away defeat in a competitive match for over a year.
Striker Robert Lewandowski scored twice as Bayern Munich sealed top spot in Group E following a thrilling 3-3 Champions League draw at Ajax in which both sides ended with 10 men.
Benfica finished its Champions League campaign with a 1-0 win over AEK Athens on Wednesday.
Real Madrid suffered their heaviest ever home defeat in Europe on Wednesday when the already-qualified Spaniards were thumped 3-0 at the Santiago Bernabeu by CSKA Moscow in the Champions League.
Viktoria Plzen beat struggling Roma 2-1 in the Champions League on Wednesday to earn a Europa League spot.
Tottenham Hotspur made it into the round of 16 of the Champions League, coming from behind to grab a 1-1 draw at Barcelona on Tuesday which saw them finish second in Group B at the expense of Inter Milan.
Paris Saint-Germain reached the round of 16 of the Champions League on Tuesday thanks to an inspired performance by their three-pronged attack of Neymar, Edinson Cavani and Kylian Mbappe in a 4-1 win at Red Star Belgrade.
Inter Milan were knocked out of the Champions League after they could only manage a 1-1 draw at home to Group B's bottom club PSV Eindhoven on Tuesday to finish third behind Tottenham Hotspur.
Mohamed Salah's first-half strike gave Liverpool a 1-0 win over Napoli in Champions League Group C action on Tuesday.
An under-strength Borussia Dortmund deepened AS Monaco's season-long misery on Tuesday with a 2-0 away victory that ensured they finished top of Champions League Group A ahead of Atletico Madrid.
Atletico Madrid were denied top place in Group A of the Champions League on Tuesday after a goalless draw away at Club Brugge in Belgium meant they finished second behind Borussia Dortmund.
Alessandro Schoepf's stoppage time goal gave Schalke 04 a 1-0 win over Lokomotiv Moscow in Champions League Group D action on Tuesday.
Porto struggled to a 3-2 away victory over Galatasaray in their final Champions League group match on Tuesday but the Turks stayed third in Group D and secured a spot in the Europa League's round of 32.
Real Madrid midfielder Luka Modric has ended the Cristiano Ronaldo-Lionel Messi stranglehold on the Ballon d'Or.
Two first-half goals gave Paris Saint-Germain a crucial 2-1 Champions League home win over Liverpool, putting them in a great position to qualify and leaving Jurgen Klopp's side, finalists last season, in danger of elimination.
Napoli swept aside Red Star Belgrade with a typically entertaining performance as two goals from Dries Mertens helped them to a 3-1 win over the former European champions in their Champions League match on Wednesday.
Borussia Dortmund booked their spot in the Champions League knockout stage with a game to spare after a goalless draw against visitors Club Brugge in Group A on Wednesday.
Christian Eriksen kept Tottenham Hotspur's hopes of reaching the round of 16 in the Champions League alive when he came off the bench to score a late winner in his side's 1-0 victory over Inter Milan at Wembley on Wednesday.