In an early match, Norwegian side Bodo/Glimt secured a 3-2 home victory against FC Porto thanks to a brace from Jens Petter Hauge, despite going down to 10 men in the 51st minute.
The Spanish Government mistakenly honoured celebrity Ivana Icardi, sister of Argentinian footballer Mauro Icardi, instead of Women's World Cup winning captain Ivana Andres, with the country's Royal Order of Sports Merit, Spain's National Sports Council (CSD) confirmed on Wednesday.
Argentine Icardi, 27, joined PSG in September on a season-long loan with a buy-out option.
The win leaves United in 15th place in the Europa League standings on six points from four games.
A late Mauro Icardi strike earned Paris St Germain a last-gasp 2-1 home victory against Olympique Lyonnais with Lionel Messi making limited impact on his Parc des Princes debut on Sunday.
The win pulled Inter on level with Napoli. Both have 22 points, six behind leaders Juventus, and Inter have the better goal difference, although positions are ultimately decided on the head-to-head record.
The move would end a turbulent spell at the club for the Argentine, who has fallen out with fans along on the way and provided fodder for the gossip columns thanks to his marriage to Wanda Nara, a media personality who also acts as his agent.
Coach Roberto Mancini has insisted that he never doubted his captain Mauro Icardi after the striker scored two goals in Inter Milan's 4-0 victory at Udinese in Serie A.
Paris St Germain's second-string side were held to a 4-4 draw at struggling Amiens after erasing a three-goal deficit only to concede a stoppage time-equaliser in Ligue 1 on Saturday. The result left PSG 13 points clear of second-placed Olympique de Marseille after manager Thomas Tuchel rested several regular starters ahead of Tuesday's first leg of their Champions League last-16 clash with Borussia Dortmund.
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.
A first-half double from Karim Benzema helped Real Madrid cruise to a 3-0 victory away to Cadiz that moved them top of La Liga.
PSG made hard work of beating Strasbourg 4-2 in the French Ligue 1, while Real Madrid registered a comfortable 4-1 win away to Alaves in their opening game.
Juventus coach Massimiliano Allegri criticised his players for letting their guard down and losing 2-1 at arch-rivals Inter Milan after taking the lead in the second half at the San Siro.
Roundup of the Champions League matches played on Wednesday night
Manchester United's miserable season continued with a 3-2 home defeat by Galatasaray.
PSG make winning start as Messi arrival looms
Ten-man Inter Milan replaced AS Roma atop Serie A, at least for 24 hours, after beating Bologna 1-0 away on Tuesday to end a run of four games without a win but coach Roberto Mancini, who was sent off at the end, wants more from his side.
Images from the UEFA Champions League matches played on Tuesday.
Inter Milan's title challenge faltered when they were held 1-1 at Atalanta in Serie A on Saturday but goalkeeper Samir Handanovic at least saved them from suffering a defeat. The home side took the lead in the 17th minute when JeisonMurillo scored an own goal. Inter equalised in the 25th when Atalanta defender Rafael Toloi repeated the feat by slicing the ball past his own goalkeeper. The draw meant Inter missed the opportunity to replace Napoli as Serie A leaders, if only briefly. Instead, they are in second place on 40 points, one behind the leaders who were meeting Sassuolo later on Saturday.
AC Milan surged into third place in Serie A with a 3-1 win at Chievo Verona on Sunday but their great city rivals Inter Milan were left in turmoil as their captain Mauro Icardi again came under fire from his own fans in the 2-1 defeat by Cagliari.
News of all that transpired on and off the football field
Inter Milan clinched fourth place in Serie A after a 2-1 home victory over Empoli on Saturday while AC Milan gave their European aspirations a boost with a 1-0 triumph over 10-man Bologna.
Two late goals by Everton substitutes brought the Merseysiders a third successive win when they beat Crystal Palace 2-0 at Goodison Park in Sunday's only Premier League game.
Summary of sports events and persons who made news on Sunday
A round-up of matches played in the Serie A and French Ligue 1 on Sunday
Super sub Eric Maxim Choupo-Moting struck the stoppage-time winner.
Pierre-Emerick Aubameyang scored twice as a rejuvenated Barcelona gave a football masterclass to inflict a humiliating 4-0 defeat on rivals Real Madrid on Sunday.
Champions Juventus continued their resurgence by beating Hellas Verona 3-0 at home for an eighth successive Serie A victory as Inter Milan remained top after winning 1-0 at Empoli.
Mbappe struck in the 74th minute to put PSG on 80 points from 29 games and on the brink of retaining the title with second-placed Lille, who beat Nantes 3-2 away earlier on Sunday, still 20 points behind having played a game more.
News of all that's transpired on and off the football field
Inter Milan's Rodrigo Palacio and Mauro Icardi struck in a 2-1 win at Fiorentina on Saturday to secure their struggling side's first away victory in Serie A since early November.
PSG will need to rely on their attack against the team they knocked out in the semi-finals last season.
Inter Milan's Mauro Icardi scored with two minutes remaining to hand them a 2-1 win over AS Roma.
News of all that transpired on and off the football field.
Sterling, 24, had a hand in all five goals, including an 11-minute hat-trick, as City romped to a 5-1 Champions League victory over Italian side Atalanta on Tuesday, to take his tally to 12 goals in 13 appearances this season.
Images from the football matches played across Europe on Wednesday.
, Juventus thumped Chievo 4-0 away to win their 12th league game in a row but it was not enough to topple leaders Napoli who thrashed Empoli 5-1.
News of all that transpired on and off the football field.
Veteran Francesco Totti scored a stoppage-time winner from a penalty in his first appearance of the season as Roma beat Sampdoria 3-2 in Serie A on Sunday. The 39-year-old former Italy international has now scored in 23 consecutive league seasons for Roma. Sunday's goal lifted the team to within two points of early leaders Juventus, who defeated Sassuolo 3-1 on Saturday.
News of all that's transpired on and off the football field