AC Milan's Brazilian striker Alexandre Pato was ruled out for a month with a thigh injury on Thursday, adding to a worrying injury list for the Italian champions.
Assistant coach Corrado Verdelli, who has enjoyed success with Inter's youth team, takes charge temporarily.
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.
David Beckham's agent is in talks with AC Milan over a loan deal for the Los Angeles Galaxy and England midfielder.
AC Milan are willing to pay a fee for David Beckham to remain at the Serie A club but Los Angeles Galaxy have yet to agree, chief executive Adriano Galliani said on Tuesday.
Yet Milan's defensive frailty was punished when Konstantinos Fortounis scored from the penalty spot in the 81st minute to give his side the win that left them second in Group F on 10 points.
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.
Ronaldinho said he was unsure if he would stay at AC Milan next term after scoring two goals in the Rossoneri's 3-0 win over Juventus in their final game of the season on Saturday.
AC Milan wasted the latest in a series of chances to boost their Serie A title hopes when a depleted side were held 1-1 at home by Lazio on Sunday.
AC Milan warmed up for next week's Champions League clash against Manchester United with a patchy 3-2 home win over Udinese in Serie A on Friday.
AC Milan have signed Morocco midfielder Adel Taarabt on loan from English championship (second division) club Queens Park Rangers until the end of the season, British media reported.
New strikers Carlos Bacca and Luiz Adriano bagged their maiden Serie A goals to give AC Milan their first points of the season with a 2-1 home win over Empoli on Saturday.
Two goals from Ronaldinho helped AC Milan to a 3-0 win at toothless Juventus on Sunday which piled the pressure on Juve's rookie coach Ciro Ferrara.
David Beckham attracted crowds to AC Milan's training complex on Monday after landing in Italy for the start of his second stint at the Serie A club and being immediately put through his paces.
Barcelona, AC Milan and Arsenal can all book places in the knockout stages of the Champions League with wins on Tuesday.
Last season's AC Milan coach Leonardo was named manager of city rivals Inter Milan on Friday in a move which has stunned the soccer world despite the Italian game's celebrated eccentricities.
"The level is the same or maybe a little higher now at Chelsea," said Desailly.
AC Milan entered the final of the Champions League on the away goals rule despite losing 1-3 to PSV Eindhoven in the second leg semi-final on Wednesday.
The final against Liverpool in Athens, a rerun of the 2005 final, which Milan lost on penalties is their third in five years.
Real Madrid fight back to beat Mallorca and put Barca party on hold
Hard running, hard tackling and an ever-visible aggression and determination characterise Gennaro Gattuso.
Silvio Berlusconi said on Wednesday he would step down as AC Milan president when he starts his third stint as Italian prime minister.
Silvio Berlusconi remains committed to his AC Milan soccer team, one of the club's directors said, playing down speculation that the former Italian prime minister was ready to sell up.
AC Milan coach Carlo Ancelotti was pleased with his side's performance in recovering from 1-0 down with 10 men to beat Lazio 2-1 at Rome's Olympic Stadium on Sunday.
Inter Milan retained their Serie A title with three games to spare after second-placed AC Milan put in a weak performance to lose 2-1 at Udinese on Saturday. Inter's triumph, in former Chelsea coach Jose Mourinho's first season in charge, is their fourth straight scudetto and their 17th overall.
AC Milan still hope to sign David Beckham from Los Angeles Galaxy permanently and view the deadline imposed for a deal by Major League Soccer as a "tactic," chief executive Adriano Galliani said on Saturday.
Napoli squandered a two-goal halftime lead, then scored two late goals to beat nine-man AC Milan 4-2 in a stormy Serie A match which saw eight other players booked on Saturday.
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.
Inter Milan a laboured 1-0 win over promoted Lecce while city rivals AC Milan also had to work hard to secure a 2-1 victory at Reggina in the Serie A.
Mathieu Flamini scored and was sent off as AC Milan were held 1-1 by Napoli in a third-versus-second battle in Serie A on Sunday while Inter Milan were on the wrong end of another controversial penalty in a 2-0 loss at Cagliari.
The Brazilian is now free to find a new club without the potential obstacle of a transfer fee.
AC Milan coach Carlo Ancelotti held a meeting with chief executive Adriano Galliani and club staff on Monday to discuss the Serie A side's poor start to the season.
Racist chanting that led AC Milan players to walk off the pitch during a friendly match provoked howls of outrage in Italy on Friday, while club owner Silvio Berlusconi vowed his team would abandon all matches where they suffer similar abuse.
Arsenal midfielder Mathieu Flamini will join AC Milan on a four-year deal, the Serie A club said on Monday. The 24-year-old Frenchman, who signed for Arsenal from Olympique Marseille in 2004, will move on a free transfer with his contract at the Premier League club soon expiring.
Seven-time European champions AC Milan hit back from two goals down against Celtic to claim a 4-2 victory that sent them into the Europa League knockout phase on Thursday as they were among 14 teams to progress in Europe's second-tier competition.
Kingsley Coman came back to haunt Paris St Germain again as he earned Bayern Munich a 1-0 win in their Champions League last-16 first leg in Paris on Tuesday.
