It was Walter Mazzarri's second successive win since taking over from former Italy coach Roberto Donadoni, and lifted Napoli up to eighth place.

CNN: Barcelona return to winning ways with Zaragoza rout

With Juventus losing to Roma on Saturday, Walter Mazzarri's side had the perfect opportunity to get back on track at the San Paolo.

CNN: Ramos sees red as Real edges past Rayo in Madrid derby

Napoli President Aurelio De Laurentiis was quoted Friday as saying Benitez will take over as coach of his club from Walter Mazzarri, who left to replace Andrea Stramaccioni at Inter Milan.

WSJ: Benitez's Chelsea reign ends with 5-3 loss to City

Hamsik snatched the winner 10 minutes from time from Datolo's cross to give coach Walter Mazzarri a record of three wins in four league games since replacing the sacked Roberto Donadoni.

CNN: Ten-man Juventus ambushed by improving Napoli

The hosts' fourth win in five league games takes them to 13 points, with only a missed penalty from Cavani denying Walter Mazzarri's side from taking top spot outright in the Italian championship.

CNN: SHARE THIS

"The president Aurelio de Laurentiis, the head coach Walter Mazzarri and the whole team are calm, being confident that no violation could be attributed to Napoli, " read a statement from Napoli, which is to appeal the Italian Football Federation's decision.

CNN: Napoli hit with match-fixing related points deduction