English Premier League side, Chelsea defeated Palmeiras 2-1 after extra time to win the Club World Cup in Abu Dhabi on Saturday.
Germany midfielder, Havertz scored a penalty in the 117 minutes to give the Blues victory in the cup.
Belgian striker, Romelu Lukaku had given the European champions the lead after half-time but Raphael Veiga equalised for the Copa Libertadores winners through a penalty kick 10 minutes later.
Havertz, however, gave his side the winning goal in the extra time after Chelsea was awarded a penalty following another VAR review after a handball by Luan.
Chelsea is world champions for the first time in their history.
Chelsea’s next fixture is against Crystal Palace in the Premier League next Saturday.