However, after six months, he transferred to RB Leipzig, where he has had a successful season so far.
Diomande has scored four goals and provided four assists in 14 games this season.
RB Leipzig's executives are insisting that Diomande will not be sold for less than €100 million.
RB Leipzig's managing director, Marcel Schafer, recently expressed his confidence in Diomande's abilities, saying that he has quickly adapted to the Bundesliga and is still in the process of developing his skills.
