AC Milan were held to a 1-1 draw at Torino, who missed a fourth-minute penalty.
Giacomo Bonaventura's superb curling shot put the visitors in front but Lorenzo De Silvestri nodded in from a corner. De Silvestri was sent off in time added on.
Milan remained in the final Europa League berth, two points above Atalanta, who won 3-0 at last-place Benevento with teenager Musa Barrow netting his first Serie A goal.
Inter Milan missed the chance to climb into third in the Serie A table as Adem Ljajic scored the only goal in Turin to earn Torino a 1-0 victory.
Roma's defeat by Fiorentina on Saturday opened the door for Inter to climb above them but they were beaten by in-form Torino, who made it three victories in a row.
Inter had more than 60 percent of the possession and eight efforts on target to three from their opponents but it was Ljajic who made the crucial breakthrough in the 36th minute, finishing off...