Colwill, who is 22 years old, was training with the team when he picked up the injury. As a result, Chelsea is now expected to focus on signing a new centre-back in the remaining weeks of the transfer window.

Enzo Maresca, Chelsea's manager, has stated that finding a new defender is a priority for the team. This need may have become even more pressing after Chalobah, who is 26 years old, left the match against AC Milan in the 57th minute.

Chalobah was replaced by young player Josh Acheampong, and although he was able to walk off the pitch on his own, he appeared to be in discomfort before receiving medical attention.