Inter and Napoli are successful teams and must work hard to maintain their success. Competing in every competition isn't easy for teams, and sometimes they have to make choices. Inter's performance in the Champions League last season was excellent, but achieving that this season is proving difficult.
Both Inter Milan and Napoli are currently strengthening their squads by bringing in several willing players. Napoli has also successfully brought in Torino goalkeeper Vanja Milinkovic-Savi on a long-term loan with an obligation to buy. So, at lest, theya re really enhancing to strengthen the defense. 
https://web.facebook.com/SoccerWorldHQ/posts/pfbid02F2zxTbABEHJgH7dvU1H2Ri4CUX79szPS9vCR3hjT1bRETh6G3Te2vqvZVdFrFuKCl