Continuing their spending spree, Chelsea have announced Kai Havertz as the sixth high-profile signing of Frank Lampard's wish list for 2020/21, pushing their overall spending in this window to more than €200 million.
Scroll through the gallery above to see all of Chelsea's signings so far in this window.
Germany international Kai Havertz has made the move to Stamford Bridge from Bayer Leverkusen, joining the London club on a five-year deal.
The Premier League side will reportedly transfer €80 million (R1.59 billion) to the Bundesliga side, while the clubs also agreed to another €20 million (R397 million) in add-ons.
He’s here!
Welcome to Chelsea, @KaiHavertz29! ??#HiKai ??
Read: Chelsea's 10 Highest-Paid Stars After New Signings
Havertz, who came through Leverkusen's academy, made 150 first-team appearances for the German club, scoring 46 goals and assisting another 31 strikes along the way.
Chelsea fans, are you happy with your club's transfer window so far? Have your say in the comments section below.
