Atalanta lost to Cagliari 2-0.
As part of the guests, the Uruguayan midfielder Gaston Pereiro scored double.
In the 52nd minute, the Argentine goalkeeper of Atalanta Juan Musso received a red card.
Atalanta are fourth with 43 points, six points behind third-placed Napoli. Cagliari are in 16th place with 20 points.