Which top player will be interested in joining Chelsea right now, they have started the season terribly and it is almost certain that they are not going to win any trophies, they are also not playing UCL football this season, and there's no guarantee that they are going to qualify for the tournament next season. Chelsea are somewhat of an unattractive project for any world class player right now. Despite the fact that Osimhen has some issues with the club, i think he is still happy playing there and he doesn't have any intentions of leaving, thus maybe we should stop discussing about his future.
I don't think any player are interested for joining Chelsea right now depend on underperformed and not participants yet in Champion League or Europe League. All top player dreaming is playing in Champion League but current Chelsea condition have dropped to lower position standing in domestic league seems difficult for signing top players. For Victor Osimhen he doesn't announce yet about not happy with Napoli due still get first or regular position, but internal problem happening last several days will get best solution both side between Napoli management and Victor Osimhen.
For winter transfer window I don't sure any top player want to join with Chelsea depend their position on domestic league outside from Champion League spot placed and how possibility will play in Champion League next season?