Lazio could not make it five Serie A wins in a row as a Luca Toni penalty earned Hellas Verona a 1-1 draw.
Miroslav Klose came off the bench to score the winner as Lazio edged Torino 2-1 on Sunday in Rome.
Arturo Vidal and Fernando Llorente scored as Serie A leaders Juventus beat Palermo 2-0, while Napoli won 6-2.
Lazio climbed further up the Serie A table with their third win in a row, a 2-0 triumph at Fiorentina on Sunday.
Leonardo Bonucci struck the winner four minutes from time as Juventus ended Roma's perfect Serie A run with a 3-2 win.
Ten-man Lazio edged Sassuolo 3-2 on Sunday to secure back-to-back Serie A wins for the first time this season.
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