AC Milan and Arsenal hope to rediscover their best form for Tuesday's Champions League last-16 second leg after both sides showed signs of weariness. The first leg in London two weeks ago finished 0-0, one of a number of fitful draws the pair have managed lately.
AC Milan and Liverpool won their Champions League qualifying rounds.
AC Milan have been drawn to play Manchester United in what is the standout tie in next month's Europa League round of 16.
Unbeaten Juventus snatched a late goal to draw 1-1 at AC Milan in Serie A's top of the table clash on Saturday after the hosts had a goal disallowed when officials failed to spot the ball had crossed the line.
David Villa scored his first goal for Barcelona in a friendly against AC Milan on Wednesday, while behind the scenes the two clubs prepared to continue their negotiations over Barca striker Zlatan Ibrahimovic.
Barcelona expect AC Milan to go all out for victory at the Nou Camp on Wednesday
Ibrahimovic and Lukaku, who played together at Manchester United, exchanged words at the end of the first half before the pair had to be restrained as the players left the pitch for the interval.
Lionel Messi has set the bar so high for himself that when he does not score for a few games it prompts an outburst of speculation and head-scratching about what might be ailing the Argentine World Player of the Year.
Juventus continued their charge towards a fourth successive Serie A title as they predictably swept aside AC Milan 3-1 on Saturday to complete a league double over their old rivals.
AC Milan owner Silvio Berlusconi plans to bid for Real Madrid's former world player of the year Cristiano Ronaldo if his side win the Serie A title, the Italian prime minister has said.
AC Milan beat visitors Lazio 2-0 to claim consecutive Serie A wins for the first time since February thanks to Carlos Bacca's fifth goal of the season and an M'Baye Niang penalty on Tuesday.
Champions League competitors Schalke 04 have signed AC Milan midfielder Kevin-Prince Boateng on a four-year deal after the Ghana international passed his medical at the German club on Friday.
Real Sociedad scored two brilliant goals to win 2-0 against a stunned Olympique Lyonnais side who finished with 10 men while AC Milan held PSV Eindhoven to a 1-1 draw in Champions League playoff first legs.
Werder Bremen produced a rousing fightback at the San Siro to eliminate favourites AC Milan from the UEFA Cup on Thursday and heap further pressure on coach Carlo Ancelotti. The Italian shrugged off fresh speculation this week that he could be sacked in May but will face further calls for his head after Claudio Pizarro scored twice as Werder hit back from 2-0 down to draw 2-2 and reach the last 16 on away goals after the tie ended 3-3 on aggregate.
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.
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The Brazil striker pulled a hamstring towards the end of the previous campaign and has yet to feature in pre-season.
A debut double from 36-year-old Luca Toni gave Hellas Verona a surprise 2-1 triumph over AC Milan on Saturday while new signing Carlos Tevez was on target as champions Juventus won 1-0 at Sampdoria.
Tottenham Hotspur pulled off a 1-0 win at AC Milan and Raul made a goalscoring return to Spain to earn Schalke a 1-1 draw at Valencia as the Champions League returned with two last-16 first-leg matches on Tuesday.
James Rodriguez curled home a superb free kick to cap Real Madrid's 3-0 win over Inter Milan in a friendly in Guangzhou on Monday.
David Beckham will definitely return to AC Milan on loan in January, chief executive Adriano Galliani said on Monday.
AC Milan stand in the way of a first all-English Champions League final when they seek to overturn a 3-2 deficit against Manchester United.
AC Milan need to produce a performance worthy of their glorious past when they host Bayern Munich.
Images from the Champions League matches played across Europe on Wednesday.
Barcelona have a doubt over midfielder Xavi as they prepare to go on the offensive in their Champions League quarter-final second leg against AC Milan on Tuesday.
Barcelona and Lionel Messi can write new chapters in the record books on Tuesday if they are able to break out of the straightjacket imposed on them by AC Milan and reach the Champions League semi-finals.
Images from Thursday's action in the Europa League Europa League - Round of 16 Second Leg - matches.
Free-scoring AC Milan, 4-0 winners over Arsenal in the Champions League last week, kept the goals flowing with a 3-1 win at bottom club Cesena on Sunday that ensured they finished the weekend top of Serie A.
Bayern Munich secured a place in the Champions League last 16 with an impressive 4-1 win at Juventus as former European champions Real Madrid and AC Milan also advanced to the knockout stage on Tuesday. Juventus were eliminated after Bayern came from behind to end the home side's 16-match unbeaten home run in Europe's premier club competition.
Juventus laboured to a 1-0 win at struggling Siena to end a barren four-match run in Serie A on Sunday while a late Alessandro Nesta double earned resurgent AC Milan a stunning 2-1 comeback triumph at Chievo Verona.
Barcelona beat AC Milan on a 1-0 aggregate, after the second leg semi-final ended goalless.
Alexandre Pato continued his rich vein of form with two goals in AC Milan's 3-1 win over Chievo which powered the hosts to the top of Serie A on Saturday.
Arsenal enjoyed a 3-0 win in Azerbaijan against Qarabag in the Europa League on Thursday and AC Milan beat Greece's Olympiakos Piraeus 3-1 but Sevilla suffered a shock defeat by Russians Krasnodar.
Images from football matches played in La Liga and Serie A in Spain and Italy on Wednesday.
Sulley Muntari salvaged a point for AC Milan with a second-half equaliser in a 2-2 draw at the San Siro on Monday that saw visiting AS Roma slip five points behind Serie A leaders Juventus.
Zlatan Ibrahimovic is the first player to score 50 Serie A goals for both Milan clubs: Inter Milan (57 goals) and AC Milan (51 goals).
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.
Real Madrid midfielder Luka Modric came off the bench to net a stunning strike from the edge of the box late in the second half to secure a 1-0 home win over Sevilla on Sunday and stretch their lead at the top of La Liga to eight points.