Napoli saw off a battling Udinese to cut the deficit to title rivals Juventus back to four points.
A pair of late goals at Anfield have given Roma hope against Liverpool, sporting director Monchi said.
Roma's late show at Anfield has kept the Champions League semi-final alive, but Eusebio Di Francesco still was not happy.
Roma's Daniele De Rossi was frustrated at the way his side let Liverpool get at them, although he is not giving up in the tie.
Anti-Juventus media are attempting to drive a wedge between the players, captain Gianluigi Buffon claims.
Mohamed Salah has enjoyed a terrific first season at Liverpool, but their owner apparently thought he had overpaid for the Egyptian.