Lazio secured their sixth consecutive Serie A win on Sunday when they claimed a 2-0 triumph over Hellas Verona.
Veteran striker Luca Toni scored in either half as Verona pulled off a surprise 2-0 win over Napoli on Sunday.
Napoli saw their Champions League hopes suffer a setback as they were beaten 2-0 at Hellas Verona on Sunday.
Hellas Verona halted a four-match winless run with a 2-1 victory at Cagliari on Sunday to boost their survival hopes.
Roma lost ground in the Serie A title race on Sunday after drawing 1-1 at Hellas Verona.
Genoa thumped Hellas Verona 5-2 on Sunday afternoon for their first win at the Luigi Ferraris stadium since December 7.
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