It is reported that the Liga champions have parted with an initial fee of around €3m, which could rise to €8m if various clauses are met.
At just 18 years of age, a highly-rated talent is now set to join star-studded ranks at Camp Nou.
He is a product of Groningen’s academy system and made his senior debut for the club in September 2017.
A place in the Eredivisie record books will forever be his, with a goal against Sparta Rotterdam making him the first player born in the 21st century to find the target in the Dutch top flight.