Chelsea have already signed two big names ahead of next season, but where do they fit in the club's 10 most expensive signings ever?
Click through the gallery above to see Chelsea's 10 most expensive signings ever, according to Transfermarkt!
Tiemoue Bakayoko and Antonio Rudiger are the biggest names to have joined the Blues during this off-season so far, with the Frenchman now the club's third most expensive signing ever, while the German is the 10th.
Spanish striker Fernando Torres is still the club's most expensive player in their history, ahead of AC Milan legend Andriy Shevchenko, who moved to Chelsea in 2006.
Former Marseille striker Michy Batshuayi is the fourth most expensive coup for the club, followed ex-Lyon player Michael Essien and Diego Costa, who could be on his way out of the side in this window.
Former Leicester City midfielder N'Golo Kante is also among the Blues' most costly buys, as are Brazil international Willian and Belgian superstar Eden Hazard.
Do you think Chelsea will add any more players who will break into this top 10 in the coming weeks? Let us know in the comments section below.