Algerian star Ismail Bennacer scored Milan’s winning goal in the 59th minute of the match, with a powerful shot to the right of the Cagliari goalkeeper, to win the Rossoneri 3 valuable points.
Milan regained the lead in Serie A with 66 points, 3 points ahead of runner-up Napoli with 63 points, while Cagliari’s balance stopped at 25 points in 17th place.
The Rossoneri had achieved a difficult victory over its guest, Empoli, with a single goal, in the last round of Calcio.
Earlier on Saturday, Napoli beat its guest Udinese 2-1, and Inter Milan drew 1-1 with Fiorentina.
Milan played the following formation:
Defense: Calabria, Kalolo, Tomori, Theo Hernandez.
Midfield: Ismail Bennacer, Casey, Messias.
Attack: Jirou, Lia, Brahim Diaz.