Napoli don't need to make big changes to their squad. Filling the places of the players who have left will be enough for them to be competitive for the Serie A title once again. For example they have lost a very important member in the defense line. Kim Min-jae has signed for Bayern Munich officially as you know.
They had better shift their focus to finding another solid and credible defender in his place. Other than that they should do their best to not lose other two crucial players who are Osimhen and Kvaratskhelia. As long as the squad integrity is maintained highly it will all be up to Rudi Garcia's creating a strong bond with the team to go for success.
Yes but sometimes the gap that one special player leaves open after he left only becomes visible when the new season starts. So far it is only one player that we would describe as a key player, but if they can't replace him with equal quality, the problems could be bigger than expected. Napoli benefited a lot from a very stable defense last season for a long time and it was the balance between the defensive and offensive game that helped them get so far in Serie A.
Napoli did very impressively last season,they won their league and bagging most of the awards in their team.They had quality players who understood and complimented themselves in the field of play.They are thinking about retaining and defending the Tittle,but I think other teams will not let that happen because they are not sure of keeping their star players like Osimhen and the rest.Osihmen is contemplating on trying another league whether he can still gain that recognition is gained at his former league,and if he comes to England,I think it's going to be a different ball of game altogether,because the like of Haaland,Kane,Salah and other premier league strikers will not let him shine.I know Osimhen is a very good striker,but I doubt if he can score upto 20 goals in the English premier league. If he chooses to go to a team like Manchester United,he might see matches,but goals may not come just the way he may think despite the fact that he has all the qualities and phisicalities that the EPL requires.