Lazaros Christodoulopoulos inspired Hellas Verona to a 2-1 come-from-behind victory at Udinese on Sunday.
Chievo climbed out of the drop zone at the expense of Cagliari as they cruised to a 2-0 win at the Stadio Sant'Elia.
Sampdoria moved up into fourth place in Serie A after they claimed a 3-1 win over 10-man Hellas Verona on Monday.
Lazio are through to the fifth round of the Coppa Italia following a comfortable 3-0 win over Varese.
Sassuolo beat Hellas Verona 2-1, moving four points clear of their opponents in the Serie A standings.
Inter held AC Milan to a 1-1 derby draw in Serie A on Sunday, while Cagliari rallied to claim a 3-3 draw at Napoli.
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