Chelsea enjoyed a comfortable victory at AC Milan after former Blues defender Fikayo Tomori received an early red card, BBC reported.
Tomori was sent off for pulling back Mason Mount in the area, with Jorginho converting the penalty.
Pierre-Emerick Aubameyang doubled the lead with a confident strike against his former club.
But Chelsea and England suffered a blow in the second half when right-back Reece James limped off.
The win continues Graham Potter's unbeaten start as Chelsea manager, with four wins in his first five games, according to BBC.
It moves Chelsea top of Group E with seven points from four matches, but it remains extremely tight with Red Bull Salzburg on six points and both Milan and Dinamo Zagreb on four.
