Napoli boss Walter Mazzarri felt victory over AS Roma was a massive statement in their season ambitions.

Edinson Cavani scored a contentious penalty and a late volley to give Napoli their first victory away to Roma since 1993.

"We certainly couldn't know beforehand that we would've put in such a performance," confessed Mazzarri.

"I must compliment the players, as this was a big step forward in quality, in every respect. There was a great team spirit, everyone helped each other out and this is very pleasing.

"Our strength is in our balance as a team, which comes from the two wingers who can push up and help our strikers thanks to the work of the midfielders. They are rarely praised, but are crucial for our squad.

"We're still not talking about a Scudetto, though. The team is growing and came away from Roma with an important win."