Mathieu Flamini scored and was sent off as AC Milan were held 1-1 by Napoli in a third-versus-second battle in Serie A on Sunday while Inter Milan were on the wrong end of another controversial penalty in a 2-0 loss at Cagliari.
Needing victory over last year's runners-up, Basel battled to a 2-1 win to jump ahead of United into second place in Group C and send the English champions into the Europa League. City, running riot at the top of the Premier League, beat already-qualified Bayern Munich 2-0 in their final Group A match but it proved in vain for the competition's newcomers as Napoli won 2-0 at Villarreal to grab second place.
Manchester United and Manchester City could both get knocked out of the Champions League on Wednesday while French champions Lille will also endure a nerve-wracking 90 minutes.
Alessandro Del Piero will spend the night in hospital after requiring eight stitches in a head wound sustained during Juventus's 2-0 win over Cesena on Sunday, the Turin club said.
Juventus took another step towards a second straight Serie A title when Mirko Vucinic's late double secured a 2-1 home win over Pescara on Saturday that took them 12 points clear at the top as the visitors finished with 10 men.
Juventus striker Gonzalo Higuain again showed his killer instinct with two expertly-taken goals in a late 3-1 win at Torino after their less illustrious neighbours had scored first and dominated the Serie A game on Sunday.
Chelsea moved within touching distance of a first Premier League title in five years with a 1-0 win over Manchester United while Lionel Messi reached a landmark with his 400th career goal for La Liga leaders Barcelona.
Premier League leaders Manchester City face a tricky match at Napoli but they would also advance to the next stage with victory in southern Italy.
News of all that's transpired on and off the football field
Antonio Di Natale, last season's Serie A top scorer, grabbed his seventh goal of the campaign to give Udinese a 1-0 win over Palermo and keep them one point behind leaders Juventus on Sunday.
Cristiano Ronaldo bagged his first five-goal haul in Real Madrid's 9-1 hammering of Granada while title-chasing Bayern Munich and Chelsea won again in Germany and England.
Giampaolo Pazzini's double helped AC Milan take third place in Serie A with a 3-0 home victory over 10-man Lazio at the San Siro on Saturday.
Italy's 2006 World Cup-winning captain Fabio Cannavaro believes his country are outsiders to lift the Euro 2012 trophy and has tipped hometown club Napoli for success in this season's Champions League.
AS Roma striker Francesco Totti scored a stunning long-range goal just before the hour mark to sink Serie A leaders Juventus 1-0 in a nail-biting clash at the Olympic Stadium on Saturday.
Udinese climbed above Napoli to the top of Serie A, on Sunday, as goals from Mehdi Benatia and Antonio Di Natale gave the Bianconeri a comfortable 2-0 home win over lowly Bologna.
A stunning Mario Balotelli free-kick gave AC Milan a 2-1 win over mid-table Parma in Serie A on Friday that put them level with third-placed Lazio and a point ahead of rivals Inter Milan in the race for European places.
Argentine forward Carlos Tevez refused to play for Manchester City when manager Roberto Mancini told him to come on as a substitute during their 2-0 defeat by Bayern Munich in the Champions League, Mancini said on Tuesday.
Manchester United salvaged a point with a 90th minute header from Ashley Young to claim a 3-3 home draw with Basel in their Champions League Group C match on Tuesday after the Swiss champions came from 2-0 down to lead 3-2.
Bayern Munich are not unbeatable despite their impressive nine-game winning streak without conceding a goal, Manchester City forward Edin Dzeko said on Monday.
Zlatan Ibrahimovic's much-anticipated return to Barcelona was scuppered on Monday when the AC Milan striker was injured in training and ruled out of Tuesday's Champions League Group H opener at the Nou Camp.
A summary of Tuesday's group matches in the UEFA Champions League.
Juventus goalkeeper Gianluigi Buffon saved a penalty and Andrea Pirlo curled in a trademark free kick late in the game to give the Serie A leaders a dramatic 1-0 win at Genoa on Sunday.
Diego Forlan is to leave La Liga club Atletico Madrid after four seasons and will join Serie A side Inter Milan, the Uruguay striker announced on Monday.
News of all that's transpired on and off the football field
Lazio took another bite out of Juventus's lead at the top of Serie A when they beat Atalanta 2-0 on Sunday after Sergio Floccari appeared to use his hand before scoring the opening goal.
Argentine teenager Mauro Icardi scored twice as Serie A leaders Juventus lost 2-1 at home to lowly 10-man Sampdoria and Edinson Cavani's hat-trick helped Napoli to a 4-1 win over AS Roma on Sunday.
La Liga leaders Real Madrid were thumped 4-0 away by city rivals Atletico Madrid to open up the Spanish title race, while Chelsea strengthened their hold on top spot in the English Premier League after a 2-1 win at Aston Villa.
Juventus extended their lead at the top of Serie A with an embarrassingly easy win over Atalanta, who trailed by three goals and were reduced to 10 men after barely more than half an hour on Sunday.
Five-times European champions Liverpool survived a late scare to move into the last 32 of the Europa League with a 1-0 win over Italian side Udinese on Thursday.
A summary of Wednesday's matches in the UEFA Champions League.
Cristiano Ronaldo scored twice in his 150th European appearance to give Real Madrid a 3-1 victory at Borussia Dortmund, their first against them in Germany, and make it two wins out of two matches in their Champions League Group H.
Chelsea returned to their early-season form to open up a five-point lead in the Premier League, Cristiano Ronaldo and Lionel Messi continued to make mincemeat of La Liga defences and Juventus extended their lead in Serie A. In France, Olympique Lyonnais retained top spot with a 2-0 win at RC Lens.
News of all that's transpired on and off the football field
Inter Milan and Bayer Leverkusen cruised into the Europa League knockout stage with emphatic wins on Thursday but holders Atletico Madrid and former winners Liverpool suffered surprise defeats.
A summary of sports events and sports persons, who made news on Tuesday
Rodrigo Palacio snatched an 88th minute win for Inter Milan over Partizan Belgrade in the Europa League on Thursday while Lazio were on the wrong end of some late drama in a 1-1 draw at Panathinaikos.
Here is the round-up of all the football action across Europe on the weekend
Samuel Eto'o scored twice to give ambitious Anzhi Makhachkala a 2-0 Europa League win over Young Boys on Thursday while Liverpool lost 3-2 at home to Udinese and Videton, Sparta Prague and Molde pulled off surprise wins.
AC Milan striker Zlatan Ibrahimovic has been banned for three games for swearing at a linesman, Serie A said on Monday, as it handed down a second hefty suspension on the Swede in two appearances.
Italian champions Inter Milan ended a damaging week on a high by beating Chievo Verona 2-0 at the San Siro to move two points behind Serie A leaders AC Milan on Saturday.