Domenico Berardi struck from the penalty spot to hand 10-man Sassuolo a 1-0 home triumph over Chievo.
Juventus closed in on a fourth straight Serie A title after a 2-0 victory over Empoli.
AC Milan beat Cagliari 3-1 at the San Siro to relieve some of the pressure on coach Filippo Inzaghi.
Chievo put plenty of daylight between themselves and the relegation zone thanks to a 1-0 win over Palermo on Saturday.
Veteran striker Luca Toni scored in either half as Verona pulled off a surprise 2-0 win over Napoli on Sunday.
Alberto Paloschi eased Chievo's relegation fears with two goals to lift the Verona outfit to a vital 2-0 win at Genoa.
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