German-born Ghanaian forward Ragnar Ache is expected to join Eintracht Frankfurt from Sparta Rotterdam on a permanent contract.
The 21-year-old will sign a five-year contract for a fee believed to be in the region of €2 million.
Ache is reported to have signed pre-contract with his boyhood club and will join them in the off season.
He scored five goals in 17 matches in the Dutch top-flight.
The forward has represented Germany at the Under-21 level.