Chelsea captain Cesar Azpilicueta was also impressed by Kai Havertz, who had fought in his first two games at the club, according to The Mirror.
The midfielder sent an online challenge to his new captain after grabbing his first club hat trick.
And Captain Azpilicueta sent a message to his new teammate, making his first start of the season.
The Blues captain responded in the comments, urging the 21-year-old to build on his accomplishment, by saying, “More to come.”
The German was in full swing as he scored his first three goals for the club in a 6-0 win over Barnsley at the Carabao Cup.
He first goal came after 28 minutes when he picked up a loose ball in the penalty box. Then, he scored again when Tammy Abraham flicked back to him in the second half.
And the hat trick was secured after 65 minutes, with Havertz running clear before dummying the goaltender and poking into the open net.