Premier League leaders Arsenal suffered a comedown from their midweek Champions League win over AC Milan as they were held to a 0-0 draw at strugglers Wigan Athletic on Sunday. Arsenal are two points clear of second-placed Manchester United, but have played one match more. The Londoners have 66 points from 29 games, United 64 from 28 and Chelsea 58 from 27.
AS Roma thrashed Parma 4-0 at home to cut Inter Milan's lead in the Italian Serie A to six points.
AC Milan playmaker Kaka hopes to be fit to face Arsenal next week after the reoccurrence of a knee problem.
AC Milan went out of the Italian Cup after being held 1-1 at Catania, while AS Roma crushed Torino 4-0 to reach the quarter-finals.
Celtic are chasing a win at already qualified AC Milan later on Tuesday even though they just need a draw to reach the Champions League last 16.
Kaka converted a second-half penalty to earn AC Milan a 1-1 draw with lowly Catania at San Siro as the European champions' poor domestic form continued.
A summary of the opening night's matches in the Champions League.
Italy drew 0-0 with France in a passionate and tough-tackling Euro 2008 qualifier on Saturday, which dropped the world champions to third in Group B.
Frustrated AC Milan missed the chance to seize top spot in Serie A when they were held to a 1-1 draw by Napoli at the San Siro on Sunday.
Wayne Rooney scored twice again as Manchester United cruised into the quarter-finals of the Champions League after a 4-0 win over a feeble AC Milan sent them through 7-2 on aggregate on Wednesday.
AS Roma scored four goals in the first half hour to beat holders Inter Milan 6-2 in an extraordinary first leg of the Italian Cup final on Wednesday.
AC Milan striker Ronaldo suffered a thigh injury in training on Friday and is doubtful for Sunday's Serie A match with Fiorentina.
The 38-year-old is struggling to shake off a knee injury he picked up in Milan's 3-2 defeat at Old Trafford last week.
AC Milan host Manchester United in the return leg of their Champions League semi-final on Wednesday.
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's players remained confident of reaching the last four of the Champions League despite drawing 2-2 in the home leg of their quarter-final with Bayern Munich.
AC Milan need to produce a performance worthy of their glorious past when they host Bayern Munich.
The Champions League quarter-final between Inter Milan and city rivals AC Milan was abandoned after 73 minutes after Milan keeper Dida was struck by a flare thrown down from the stands.
Two goals in the first five minutes helped Inter Milan ease to the top of Serie A with a 3-1 win over Napoli on Wednesday.
AC Milan striker Andriy Shevchenko will miss Champions League clash with Manchester United due to injury.
An early penalty by Alexis Mac Allister and a Darwin Nunez brace helped Liverpool to thrash Sparta Prague 5-1.
The Argentine striker was taken on loan on a two-year deal from Chelsea.
Barcelona beat AC Milan on a 1-0 aggregate, after the second leg semi-final ended goalless.
Ludovic Giuly's goal earned the Spanish giants a 1-0 win over AC Milan in their semi-final first leg at the San Siro stadium.
Underdogs Olympique Lyon and Villarreal will attempt to triumph over the Milan teams
Holders Inter Milan progressed to the semi-finals of the Italian Cup when they beat Lazio 1-0
The result left second-placed Inter on 39 points from 18 matches, 10 points behind Juventus, who beat Palermo 2-1 on Saturday.
New AC Milan loan signing David Beckham has acknowledged that playing for Los Angeles Galaxy has affected his England career and said he is glad to be back at a top class side. Beckham, who joins the Serie A club in January on a two-month loan during the US close season, flew into Milan on Saturday and completed a medical before being presented at a packed San Siro news conference full of glitz.
A last-gasp goal by Brazilian striker Amauri gave Juventus a 2-1 win at Lecce on Sunday while injury-ravaged AC Milan beat Catania 1-0 at the San Siro thanks to a Kaka goal.
Goals from David Trezeguet and Pavel Nedved gave them a 2-0 win at Modena on Saturday.
Spain ended European champions Italy's world record 37-match unbeaten run as Ferran Torres scored twice in a 2-1 win at the San Siro stadium in an entertaining Nations League semi-final on Wednesday.