Napoli coach Rafa Benitez admits they're short of quality after drawing 2-2 with Bologna.
The Azzurri are now 12 points behind Serie A leaders Juventus.
Benitez said: "I believe Napoli's campaign is very positive. Of course we can improve and this game shows we are still missing something.
"Did you expect Juventus to get 55 points? Last season at this stage Juve had 45 points, so we are on track. Napoli have had a very good season, but Juventus and Roma have done better. That's all.
"In recent outings we've been more solid and didn't concede many, but today Rolando Bianchi did very well.
"If the opposition is very intense in its pressing then it becomes difficult. Our characteristics are that we score a lot of goals, but are still trying to find our balance in defence. We didn't defend properly on that corner."
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