Five minutes into the second half, Leão took a cutback from Adrien Rabiot and slammed the ball into the roof of the net from 12 meters out.
The win extended Milan’s unbeaten run to 16 league games and took it two points ahead of city rival Inter and four clear of reigning champion Napoli, both of whuch play on Sunday.
Cagliari remained in 14th place.
___
AP soccer: https://apnews.com/hub/soccer
