With the transfer window closed, here are the biggest deals that have been made by Bundesliga clubs during the summer.
Which player do you think has been the best signing so far? Get in touch on social media, use #360fans on Twitter and Facebook.
CHRISTOPH KRAMER (Borussia Mönchengladbach)
AGE: 25
NATION: Germany
PREVIOUS CLUB: Bayer Leverkusen
FEE: €15m (Dhs61.4m)
OUSMANE DEMBÉLÉ (Borussia Dortmund)
AGE: 19
POSITION: Attacking Midfielder
NATION: France
PREVIOUS CLUB: Rennes
FEE: €15m (Dhs61.4m)
OLIVER BURKE (Leipzig)
AGE: 19
POSITION: Attacking Midfielder
NATION: Scotland
PREVIOUS CLUB: Nottingham Forest
FEE: €15m (Dhs61.4m)
ALEKSANDAR DRAGOVIC (Bayer Leverkusen)
AGE: 25
POSITION: Centreback
NATION: Austria
PREVIOUS CLUB: Dynamo Kiev
FEE: €18m (Dhs73.7m)
KEVIN VOLLAND (Bayer Leverkusen)
AGE: 24
POSITION: Attacking Midfielder / Forward
NATION: Germany
PREVIOUS CLUB: Hoffenheim
FEE: €20m (Dhs81.9m)
MARIO GÖTZE (Borussia Dortmund)
AGE: 24
POSITION: Attacking Midfielder
NATION: Germany
PREVIOUS CLUB: Bayern Munich
FEE: €22m (Dhs90.1m)
BREEL EMBOLO (Schalke)
AGE: 19
POSITION: Attacking Midfielder / Forward
NATION: Switzerland
PREVIOUS CLUB: Basel
FEE: €27.5m (Dhs112.64)
ANDRÉ SCHÜRRLE (Borussia Dortmund)
AGE: 25
POSITION: Attacking Midfielder
NATION: Germany
PREVIOUS CLUB: Wolfsburg
FEE: €30m (Dhs122.8m)
RENATO SANCHES (Bayern Munich)
AGE: 19
POSITION: Central Midfielder
NATION: Portugal
PREVIOUS CLUB: Benfica
FEE: €35m (Dhs143.3m)
MATS HUMMELS (Bayern Munich)
AGE: 27
POSITION: Centreback
NATION: Germany
PREVIOUS CLUB: Borussia Dortmund
FEE: €35m (Dhs143.3m)