The summer transfer window is officially closed for the Premier League teams.
Chelsea had a transfer ban during this summer's transfer window and the only player they signed was Mateo Kovacic, who was loaned to the Blues from Real Madrid in 2018 and after spending one year at Premier League, his deal was made permanent.
According to statistics, Chelsea received the most transfer fees than other Premier League clubs during this summer transfer window.
The Blues have sold players for £213.2 m.
The Blues sold Eden Hazard to Real Madrid for £130m as well as David Luiz to Arsenal for £8m. Alvaro Morata departed to Atletico Madrid for £58m, while Tomas Kalas to Bristol City for £8m. Other transfers are either free or undisclosed or loan.
Source - Sky Sport.
