Overview
- Rafael Leão scored early in the second half from an Adrien Rabiot delivery to secure a 1-0 win.
- The match opened Serie A's 18th round at Cagliari's Unipol Domus/Sant'Elia stadium.
- Milan extended their league unbeaten run to 16 matches since the season opener.
- Cagliari remain 14th in the table on 18 points after the home defeat.
- Next up, Milan host Genoa while Cagliari travel to face Cremonese in midweek.