Atalanta moved in to the Champions League spots in Serie A after seeing off relegation-threatened Udinese, while Sassuolo ended a three-game winless run.
Atalanta 2-0 Udinese
Atalanta jump up to fourth spot after registering a 2-0 win over Udinese at Stadio Atleti Azzurri d'Italia on Monday evening.
With the first half ending goalless, Marten de Roon opened the scoring in the 81st minute before Mario Pasalic sealed the win four minutes later.
Atalanta sit in fourth spot with three games to go, while Udinese remain in 17th spot, four points above the drop zone.