Injury-hit Serie A leaders AC Milan were unlucky to be held to a 0-0 draw at home with Lazio on Tuesday after missing several chances, giving their title rivals a boost ahead of the rest of the midweek programme.
The league, which is now conducting tests twice per week, did not name the people who tested positive but said they will self-isolate for 10 days.
Substitute Giampaolo Pazzini scored twice and won a penalty on a dream debut as Serie A champions Inter Milan roared back from 2-0 down to beat visiting Palermo 3-2 in an enthralling encounter on Sunday.
AS Roma soothed internal strife by clambering up to second in Serie A with an easy 3-0 home win over Cagliari on Saturday.
Samuel Eto'o scored twice as Inter Milan swatted aside Bologna 4-1 on Saturday to record their fourth successive win under new coach Leonardo and continue their ominous climb up the Serie A table.
Images from the Champions League football matches played on Wednesday night.
Juventus are desperate to win a first Champions League title in a quarter of a century
Former World Player of the Year Ronaldinho has signed a four-year contract with Flamengo in a bid to revive his flagging career and win a place in Brazil's 2014 World Cup squad.
Tottenham Hotspur manager Harry Redknapp has said he is "definitely interested" in bringing LA Galaxy's former England captain David Beckham to the Premier League club on loan this month.
Wearing a T-shirt that read "This is Paris," Messi beamed and waved at scores of fans who had come to greet him at Le Bourget airport on the outskirts of the French capital after his flight from Barcelona.
Another Lionel Messi hat-trick lit up the Champions League yet again as Barcelona and AC Milan qualified for the last 16 with time to spare on Tuesday although it is APOEL Nicosia who are fast becoming the talk of the group stages.
AC Milan midfielder Sulley Muntari looks set to leave the club after being left out of the squad for Saturday's Serie A match away to Palermo at his own request, his agent Federico Pastorello said on Friday.
AC Milan have reached a deal to sign Sampdoria forward Antonio Cassano, a Milan spokesman said on Monday.
Serie A leaders AC Milan lost 1-0 to AS Roma after striker Marco Borriello burst his former club's bubble and put his new side back in the title picture at a freezing San Siro on Saturday.
AC Milan were held 1-1 at Sampdoria on Saturday as the Serie A leaders failed to prove they can prosper even when Zlatan Ibrahimovic does not score.
Roundup of the Champions League match played on Tuesday.
Lazio goalkeeper Fernando Muslera watched in horror as Marco Borriello's weak penalty crept under his body and dribbled into the net to help city rivals AS Roma to a 2-0 win over the Serie A leaders on Sunday.
Juventus will ask Italy's soccer authorities to strip the 2006 Serie A title from Inter Milan after developments in a criminal trial into match-fixing, the Turin club said on Monday.
Forgotten man Massimo Oddo, only playing because of a raft of injuries, set up both goals to send AC Milan up to second in Serie A after an action-packed 2-1 win at 10-man Napoli in heavy rain on Monday.
Kevin-Prince Boateng scored his first goal for Schalke 04 on Saturday to earn his team a 1-0 win at Mainz 05 and champions Bayern Munich beat Hanover 96 2-0.
AC Milan pulled off a smash-and-grab 3-2 win over Real Madrid on Wednesday, spoiling what should have been a dream night for Raul as the Champions League's two most successful teams traded novice mistakes.
AC Milan will be given a stark reminder of their current plight when they come face to face with former talisman Kaka in Wednesday's Champions League game at Real Madrid.
Chelsea manager Carlo Ancelotti was unable to be heard as a witness at Serie A's match-fixing trial on Tuesday but that did not stop a significant development in a saga worrying Inter Milan fans.
Diego Milito put a forgettable month behind him by grabbing his first goals of the season to send champions Inter Milan clear at the top of Serie A with a 4-0 romp over Bari on Wednesday.
Jose Mourinho's quest for a unique Champions League hat-trick began in style with Real Madrid on Wednesday, the nine-time winners beating Ajax Amsterdam 2-0 on a night of commanding wins for the main contenders.
David Beckham returned to competitive action for the first time in almost six months with a second half substitute appearance for the L.A Galaxy in their 3-1 win over Major League Soccer rivals Columbus Crew on Saturday.
Zlatan Ibrahimovic has yet to declare eternal love for AC Milan but he is already striking blows at former club and last term's treble winners Inter Milan.
David Beckham hopes to make his return to action in LA Galaxy's match against Columbus Crew on September 11, the midfielder said on Thursday.
Brazilian striker Alexandre Pato scored twice after great work from Ronaldinho to give AC Milan a battling 2-1 win at Siena in their Serie A opener on Saturday.
European champions Inter Milan were grouped with Werder Bremen, Tottenham Hotspur and Twente Enschede in the draw for the Group Stage of the Champions League on Thursday.
Manchester United and Portugal winger Cristiano Ronaldo was named FIFA World Player of the Year at a ceremony on Monday. Barcelona's Argentine forward Lionel Messi was second, with Liverpool and Spain striker Fernando Torres third.
AC Milan defender Alessandro Nesta has had surgery for a fractured arm and should recover for their opening Serie A home game against Lecce on August 29, the club said on its website (www.acmilan.com).
Images from the Champions League round of 16 first leg matches played on Tuesday.
Two Wayne Rooney headers midway through the second half gave Manchester United a slightly fortunate 3-2 win at AC Milan in their pulsating Champions League last 16 first leg on Tuesday. Seven-times champions Milan, who had never lost to United at home or over two legs, were quickly ahead when Ronaldinho's volley deflected in off Michael Carrick following a free kick from former United midfielder David Beckham.
Manchester United will look to eliminate AC Milan for the first time while Real Madrid seek a maiden victory over Olympique Lyon when the Champions League returns on Tuesday after its winter break.
England midfielder David Beckham has been fined $1,000 (608 pounds) by Major League Soccer (MLS) after an incident with a fan in Sunday's friendly between Los Angeles Galaxy and AC Milan.
Champions Manchester United delivered a superb display to win 3-1 at title rivals Arsenal in the English Premier League on Sunday. AS Roma moved level on points with stuttering AC Milan in second spot in Italy's Serie A after a 2-1 win over bottom side Siena.
Inter Milan's Marco Materazzi was let off with a warning for wearing a mask of Italian Premier and AC Milan owner Silvio Berlusconi after Sunday's city derby, the Italian Soccer League said on Tuesday.
Laid up with a leg injury earlier this year, which left him unable to play for his new club AC Milan or for national squad England, David Beckham turned to one of India's great treasures to relieve his boredom, the 35-year-old British footballer recently revealed. And he didn't even have to leave Italy to do it.
David Beckham almost cried when his AC Milan side was drawn against former club Manchester United in the Champions League last 16, the England midfielder said on Wednesday. The 34-year-old, starting his second five-month loan at Milan from Los Angeles Galaxy, is especially looking forward to March's second leg in Manchester having won the 1999 European Cup during his 10-year Old Trafford career.
