Roma have finished the Serie A season above city rivals Lazio after securing a narrow home victory over Napoli.
The Giallorossi end the campaign sixth in the Serie A table, courtesy of their first win in three games and Lazio's defeat at Cagliari.
Marquinho broke the deadlock two minutes into the second half with a low long-range strike.
Mattia Destro doubled Roma's lead just before the hour mark with a cool finish following a neat pass from Erik Lamela.
Edinson Cavani netted a late consolation goal for Napoli, who finish second, nine points behind champions Juventus.
