A summary of Wednesday's matches in the UEFA Champions League.
Juventus will end 2013 five points clear at the top of Serie A after a 4-1 victory at Atalanta stretched their winning league run to nine games on Sunday.
Lionel Messi set a new Champions League scoring record with a hat-trick and Luis Suarez netted his first in Barcelona colours as the Spaniards comprehensively beat APOEL Nicosia 4-0 in the Champions League on Tuesday.
Two goals in three minutes from Napoli's Goran Pandev were not enough to secure victory as his side threw away a two-goal lead to draw 3-3 at home to Udinese in an end-to-end Serie A thriller on Saturday.
Gonzalo Higuain netted twice, the first a superb individual effort, to give Napoli a 4-2 win at Lazio while Fiorentina beat Hellas Verona 4-3 in a Serie A scoring spree on Monday.
Bundesliga leaders Bayern Munich face Borussia Dortmund on Saturday with relations between the German heavyweights seemingly at an all-time low.
This and more from the happenings in the world of football.
A round-up of the top-flight football matches played across Italy and Germany on Sunday
World No 1 Novak Djokovic maintained his perfect tournament record and advanced to his fifth China Open final with a 6-3, 6-4 victory against Andy Murray on Saturday.
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.
When Juventus coach Massimiliano Allegri was greeted with a hail of eggs and spat at on his first day at work he could not have imagined he would lead them to the brink of an unprecedented treble of titles in his first season.
The enduring image of Luis Enrique for many soccer fans is the Spain player with blood gushing from his nose after a vicious elbow from Italy defender Mauro Tassotti during the 1994 World Cup quarter-final in Boston.
News of all that's transpired on and off the football field
Napoli's decision to loan Emanuele Calaio to Genoa came back to haunt them on Monday when the 32-year-old scored with a late free kick in a 1-1 Serie A draw costing his owners two points in the race for a Champions League spot.
Carlos Tevez scored a stunning goal as Serie A leaders Juventus beat Torino 1-0 on Sunday to continue an extraordinary dominance of their neighbours.
News of all that's transpired on and off the football field
Decision to sack Claudio Ranieri nine months after he led Leicester City to a historic title widely criticised.
Check out the top footballers of the weekend...
Manchester United humbled Manchester City 4-2 in the continent's big derby of the weekend.
A Neymar double and a clinical finish from Luis Suarez handed Barcelona a comfortable 3-0 victory over BATE Borisov that put them on the verge of qualifying for the last 16 of the Champions League for the 12th consecutive season.
Three time European champions Inter Milan were stunned 2-0 at home by Israeli side Hapoel Beer-Sheva and Manchester United were floored by a late goal from Feyenoord as the Europa League group stage got underway on Thursday.
Barcelona's Lionel Messi rescued a 1-1 draw at Villarreal with a sensational late free-kick on Sunday but could not prevent the champions finishing the weekend third in La Liga, five points behind leaders Real Madrid.
Parma's Antonio Cassano grabbed his 100th Serie A goal with a stunning volley in a 1-1 draw at home to 10-man Bologna while Genoa's Davide Biondini secured the same result in an equally enthralling clash with Torino on Saturday.
News of all that's transpired on and off the football field.
Lopetegui blends youth and experience in Spain World Cup squad
A round-up of all football-related news...
FIFA's Task Force for Women's Football has called for a target of 30 percent women's participation in the governing body's leading structures and top jobs, FIFA said on Thursday.
The last-16 knock-out round kicks-off this week with Chelsea visiting Paris on Tuesday; Zidane to coach Real Madrid as manager in his first match in Europe
With Liverpool still to visit Chelsea, who trail them by nine points with two games in hand, Juergen Klopp's side may have to beat Brighton & Hove Albion on May 13 and rely on their superior goal difference to qualify for the Champions League, assuming they do not secure it by winning this year's trophy.
Leicester's Mahrez finds form in time for January sales
Images from the English Premier League matches played on Saturday
Arturo Vidal's double helped Juventus to their 12th straight league win with a 4-2 triumph over Sampdoria and saw the Italian champions restore an eight-point lead at the top of Serie A.
Everyone at Manchester City is flying high after the 1-0 derby win over Manchester United at the weekend but they could all come crashing back to earth after Wednesday's meeting with CSKA Moscow in the Champions League.
News of all that's transpired on and off the football field
News of all that's transpired on and off the football field on Saturday
AC Milan chief executive Adriano Galliani is to quit after 27 years at the Serie A club, he told the ANSA news agency on Friday.
Juventus striker Carlos Tevez struck to give the Serie A champions a 1-0 win over AC Milan on Saturday, handing coach Massimiliano Allegri a winning return to San Siro where he was shown the door eight months ago.
One of the most disappointing aspects of Barcelona's failure to win major silverware last season was the lack of on-field chemistry between Lionel Messi and Neymar.
AC Milan clung on to beat Parma 5-4 away in Serie A on Sunday despite an dreadful defensive display which included Mattia De Sciglio scoring an extraordinary own goal from near the halfway line late in the match.
Carlos Tevez scored twice to give Serie A leaders Juventus a 3-2 win over Fiorentina on Wednesday but Lazio prevented them from celebrating the title by thumping bottom club Parma 4-0, which condemned their opponents to Serie B.
