AC Milan coach Massimiliano Allegri has been suspended for one match after protesting to match officials during his side's 2-1 defeat at Udinese, league officials announced on Monday.
A brief statement said Allegri was punished for protesting to the match referee as the teams were going down the tunnel after full-time in Sunday's match in Udine, which was Milan's third defeat in four games.
It means the 45-year-old, who has been under immense pressure during Milan's catastrophic start to the season, will be banned from the touchline for Cagliari's visit to the San Siro on Wednesday.
Allegri has so far been given the backing of club bosses, including owner and president Silvio Berlusconi, but it remains to be seen how they will react if Milan slip to a fourth defeat.
Milan finished runners-up last season, a year after Allegri led them to the title in his first season in charge.
However, with three defeats in four games, it is the Rossoneri's worst start to a campaign since the 1940-41 season.