The PSG star has been linked with a return to Barca this summer, while Rakitic is being mentioned as a target for the Parisians.
The Croatia international told Bleacher Report: "A return of Neymar to Barça? First, I would like to have Neymar on my team for sure.
"He must decide what is best for him, and since he is a good friend I want to see him happy.
"Of course, when he is happy, he is one of the best players in the world..."