Big names like Leroy Sane and Jude Bellingham have come to the Bundesliga over the summer of 2020, with many more moves made by the 18 teams so far during this transfer window.
The summer transfer window in Germany will have two stages this year in light of coronavirus - 1 July and then 15 July-5 October - but plenty of business has been done already. So how well do you know the moves that have been made so far?
Take our transfer window quiz to test your knowledge!
Quiz: Bundesliga transfer window quiz!