18-year-old Ilaix Moriba had joined RB Leipzig from Barcelona. Reports say the deal is already done, with €15m as final fee.
The Guinean midfielder will be in Leipzig to put pen to paper and undergo his medical on Tuesday morning.
Ilaix is regarded as one of the most talented youngsters to have graduated from the La Masia academy in Barcelona in recent years
Manchester City, Chelsea and Real Madrid were linked with a move for the talented teenager.