Photographic summary of the football matches played across Spain, Italy and France
Adem Ljajic scored deep into injury-time to rescue a point for second-placed AS Roma who had to come from two goals behind and with a man down to earn a 2-2 draw at home to Sassuolo.
Juventus coach Massimiliano Allegri complained about his team's finishing after the Serie A leaders were held to a goalless draw at Fiorentina.
Juventus rehire Allegri.
IMAGES from soccer matches played across Europe on Saturday.
News of all that's transpired on and off the football field
Images from the soccer matches played across Europe on Saturday.
Francesco Totti was left out of AS Roma's squad for Sunday's Serie A match against Palermo after the talismanic playmaker complained about a lack of playing time in a television interview.
News of all that transpired on and off the football field
News of all that's transpired on and off the football field
Here is a round-up of results from the European League matches played on Wednesday
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.
AS Roma's lingering hopes of catching Serie A leaders Juventus were virtually extinguished after two stunning Pepe Reina saves kept them at bay and Jose Callejon's late goal handed third-placed Napoli a 1-0 home win on Sunday.
Later on Monday, Lukaku's brace helped Inter to a win over Napoli, taking them atop the standings on goal difference from Juventus.
Juventus and Inter, who have 42 points each from 17 games, both play on Monday while Lazio, with 39 from 17, have an outstanding fixture at home to Verona to come in early February.
News of all that's transpired on and off the football field
Images from football matches played in the La Liga, Serie A and Bundesliga on Saturday.
Lionel Messi dragged a nervous Barcelona to a 1-0 win at home to Levante in La Liga, while Cristiano Ronaldo converted two late penalties on his 100th appearance for Juventus in all competitions as the Serie A titleholders ground out a 3-1 win away to a dogged Genoa side.
Although Spurs always looked more comfortable on the ball it was Sean Dyche's side, who have just a point from their opening five games, who had come the closest.
Three own goals were scored as Napoli's spectacularly inconsistent season continued with a 4-2 defeat at Empoli on Thursday.
Images from the football matches played across Europe on Sunday.
Cristiano Ronaldo was involved in all three of his team's goals as Juventus came from behind to beat Napoli 3-1 in a Serie A top-of-the-table clash on Saturday to maintain their perfect start to the season.
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AS Roma moved clear at the top of Serie A after beating Sampdoria 2-0 on Wednesday as struggling AC Milan came back from 3-1 down to draw 3-3 in stoppage time at Bologna.
Romelu Lukakuare still five points off the Champions League places after Antonio Candreva's equaliser rescued a solitary point in a 2-2 draw at Torino in a thrilling Serie A clash on Saturday.
The Portuguese can expect a hostile reception in Valencia, who had to suffer 15 of his goals for Real Madrid and are returning to the Champions League for the first time in three years.
Spanish playmaker Mata, 31, joined United in 2014 for a then club record transfer fee of 37.1 million pounds ($46.86 million) from league rivals Chelsea.
He made it 3-0 with a superb first-time finish into the bottom corner in the 20th minute, scoring his first ever treble in a competitive game, more than 19 years after making his professional debut.
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.
Ibrahimovic was forced off with a muscle problem with 11 minutes remaining, and the Swede was pictured sitting on the bench with an ice pack strapped to the back of his left leg.
Napoli kept their hopes of a first Serie A title since 1990 alive with an epic 4-2 win over 10-man Inter Milan after a Carlos Tevez hat-trick had put leaders Juventus six points clear with a 4-0 rout of Sassuolo on Sunday.
Cristiano Ronaldo opened the scoring as Juventus beat visiting Bologna 2-1 on Saturday to move four points clear at the top of the Serie A table. Ronaldo struck from close range after 19 minutes, but Danilo levelled for the visitors soon afterwards.
Juventus moved nine points clear at the top of Serie A after defeating Palermo 4-0 at home on Sunday and Francesco Totti bagged a dramatic late equaliser as AS Roma drew 3-3 at Atalanta.
A summary of results from matches played in the Italian Serie A and Ligue 1
A summary of the results of the major European football league matches on the weekend.
Images from football matches played across Europe on Sunday.
Atalanta forward German Denis took advantage of shocking defending by Napoli to score twice in a 3-0 win over Rafael Benitez's exasperatingly inconsistent team on Sunday.
AC Milan's winning streak ended as they were held 0-0 at home by Atalanta in Serie A on Saturday while Bologna beat struggling Hellas Verona 2-0 away to move out of the relegation zone.
News of all that's transpired on and off the football field
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.
Bayern Munich are confident they have overcome a mini-slump just in time for their Champions League round of 16 second leg against Juventus on Wednesday as they chase a treble of titles this season.
