Borussia Dortmund on Friday completed the signing of Spain international Paco Alcacer in a £22.7m deal from Barcelona.
Concise News understands that the deal runs until 30 June 2023.
The German club activated an option in Alcacer’s loan deal following his prolific start to the season.
Dortmund signed the 25-year-old striker on a season-long loan in August, with a purchase option.
The Spaniard has netted nine goals in eight games at an average of a goal every 44 minutes.