Kai Havertz promise to keep performance above average level after netted hat-trick in the friendly game played behind closed doors yesterday.
The defender had recently started training again but went off injured in his first game back.
Havertz scored hattrick in 5-1 win vs Brentford
Kai Havertz scored a hat-trick in the 5-1 friendly win over Brentford in a game that had three 45 minute periods.
Chelsea lead race to sign Brazilian midfielder
The Blues are favourites to sign Andrey Santos from Vasco da Gama, as per reports.
Pioli tells Leao to extend contract
The Milan manager has urged Leao to stay at the club amid interest from Chelsea.