Chelsea's Thomas Tuchel goes back to basics as Kai Havertz excels in Romelu Lukaku's Champions League absence | CBS Sports Headlines Chelsea's Thomas Tuchel goes back to basics as Kai Havertz excels in Romelu Lukaku's Champions League absence Havertz and a reinvigorated defense carried Chelsea to a 2-0 win over … Continue reading Chelsea's Thomas Tuchel goes back to basics as Kai Havertz excels in Romelu Lukaku's Champions League absence