Answer
Dembélé joined Borussia Dortmund in 2016. He was transferred from Rennes for a fee of €15 million. Dembélé quickly became a key player for Dortmund, scoring 10 goals and providing 21 assists in 50 appearances in all competitions. He helped Dortmund win the DFB-Pokal in 2017 and was named the Bundesliga Rookie of the Season.