If Napoli succeeds in buying lukaku, he is not going back to Chelsea again as he should at the end of his loan time, Chelsea may not really need him that much as they have got a good striker who's going to fit in the position well enough as a striker, the likes of palmer have been very useful to the team this season and except he's been sold out, I don't think Chelsea will really need a striker at this point in time, he's still a very young talented player who can stay with then awhile, before leaving. And they my then be having a need for a striker in Chelsea.
At this point osimhen appears like someone who isn't Looking for a club side where he's will be most concerned with the money, rather where he will be able to see opportunities and become a better player than he has been at Napoli,, a chance to be able to compete at a higher level and also win personal awards too appears to be of more concern to him than that of a place where he will just get paid and his career may not advance as it should.