Napoli striker Lorenzo Insigne believes that his side can win Serie A this season.
The Azzurri are currently level on 13 points with Italian champions Juventus at the top of the table after five rounds of matches.
"Juventus are the team to beat because they have something more than everybody else, but Inter [Milan] and AC Milan could also climb up the table and challenge as well," he told Sport360.
"[Zdenek] Zeman is a very good coach and Roma have started well and will be confident that they can challenge for the title also."
Napoli are at Sampdoria on Sunday for their next Serie A fixture.
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