Harry Kane scores twice as Bayern Munich beat Eintracht Frankfurt 3-2 to go nine points clear in the Bundesliga; Monaco stun Lens in Ligue 1.
On debut, substitute Marcus Rashford became the first Englishman to play a first-team game for Barcelona since former England striker Gary Lineker in 1989.
Manchester City's spending of more than 180 million pounds ($223.58 million) was the second-biggest outlay ever worldwide by a club in the January transfer window.
Holders Manchester City will take on RB Leipzig, Red Star Belgrade and Young Boys in Group G.
Mbappe scores late penalty to secure PSG 2-1 win over Strasbourg
French football was again marred by violence after Olympique de Marseille's Ligue 1 match against Olympique Lyonnais was called off on Sunday when the visitors' bus and some fans were pelted with stones and beer bottles, injuring Lyon coach Fabio Grosso.
Lens falter in title race after draw at Nice, Marseille hit six
Alvaro Morata scored a brace to help Atletico Madrid deliver a statement performance as they outclassed city rivals Real Madrid.
Images from football matches held across Europe on Saturday
Union Berlin's Paul Jaeckel scored a 76th-minute winner to give his team a 1-0 victory at VfB Stuttgart on Sunday and send them two points clear at the top of the Bundesliga.
Images from UEFA Champions League matches played on Wednesday.
Bayern Munich eased past title rivals Borussia Dortmund 3-1 on Saturday to secure their 10th consecutive Bundesliga crown in front of a sold-out home crowd and with three games to spare, while Paris St Germain secured a record-equalling 10th French top flight title after stuttering to a 1-1 home draw by 10-man RC Lens.
IMAGES from the soccer matches played across European leagues over the weekend.
A summary of the concluding day's action in the Bundesliga, Serie A, Ligue 1 and Saudi Pro League.
Olympique Marseille opened a one-point lead at the top of Ligue 1 after they were held to a goalless home draw by Stade Rennes in a rescheduled game on Wednesday.
Bayern Munich conceded a stoppage-time equaliser through VfB Stuttgart striker Serhou Guirassy from the penalty spot for a 2-2 on Saturday, the champions' third consecutive Bundesliga draw.
Paris St Germain had a chance to extend their Ligue 1 lead to five points after RC Lens drew 1-1 at Troyes and Olympique de Marseille and Monaco shared the spoils on Saturday.
Barcelona wasted a golden opportunity to extend their lead at the top of LaLiga as they were shocked 1-0 at lowly Almeria on Sunday thanks to a first-half strike by El Bilal Toure.
Mbappe becomes PSG's all-time highest goal-scorer as French champions extend lead
Images from soccer matches played across different leagues in Europe on Sunday
Lionel Messi was at the top of his game as Barcelona earned a 3-2 win at Athletic Bilbao on Wednesday to move up to third in La Liga.
A summary of Saturday's action in LaLiga, Ligue 1 and the Bundesliga.
A round-up of Saturday's action in LaLiga, Ligue 1 and Serie A.
Paris St Germain suffered their first defeat of the season when they were beaten 2-0 at Stade Rennais on Sunday to drop their first Ligue 1 points of the season.
Paris St Germain striker Zlatan Ibrahimovic put his disciplinary woes aside on Friday.
Jordan Ayew scored for Lorient against his former side Olympique de Marseille as the Ligue 1 leaders were held to a 1-1 draw on Tuesday.
Leicester pushed forward after the interval but were caught out on the break in the 64th minute when Ritchie's pass released Wilson who coolly rounded Schmeichel before sliding home.
IMAGES from soccer matches played across Europe on Sunday.
Alaba strike on Clasico debut gives Real Madrid 2-1 win at Barcelona.
Real Madrid forwards Marco Asensio and Karim Benzema struck to give their side a 2-0 win at home to Eibar in La Liga
World champion Marc Marquez underlined his dominance of MotoGP when he swept to a record-equalling 12th pole position of the season on a good day for Spain at the Australian Grand Prix on Saturday.
Chelsea are brimming with confidence and, fortified by a seven-day break, go into Wednesday's Champions League last-16 return match as favourites to knock Paris St Germain out for the second season in a row.
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.
Atletico Madrid took a giant step towards the La Liga title
Two goals in three minutes earned Paris St Germain a 3-2 win at bitter rivals Olympique de Marseille as the French champions regained the Ligue 1 lead on Sunday.
Javier Pastore and Edinson Cavani scored late as Paris St Germain ignored their fans' boos and recovered from a shaky start to beat visiting strugglers Evian Thonon Gaillard 4-2 on Sunday.
Barcelona finally made a statement of intent in what has been a chaotic season as they came from behind to beat La Liga leaders Real Sociedad 2-1 at home on Wednesday.
Brighton and Hove Albion scored late to earn a 1-1 draw at Crystal Palace. Sheffield United and Fulham also drew 1-1 as both teams picked up their first points.
Barcelona lost for the second straight La Liga game in a 1-0 home reverse against Celta Vigo but there was no such trouble for Manchester City, who beat 10-man Manchester United 1-0 thanks to Sergio Aguero.