Manchester City have completed the signing of Croatia midfielder Mateo Kovacic from Chelsea.
Kalidou Koulibaly has left Chelsea after only one season to join Saudi Professional League side Al-Hilal.
AC Milan are close to completing a deal with Chelsea to acquire the services of wantaway midfielder Ruben Loftus-Cheek, according to reports.
Chelsea have sneaked in front of Arsenal in the race to sign Brighton midfielder Moses Caicedo, according to reports.
Veteran Chelsea defender Cesar Azpilicueta is reportedly nearing a move to Serie A club Inter Milan.
Christopher Nkunku has vowed to "give everything" for Chelsea after completing his move to Stamford Bridge.