According to a bbcsport news report Ronaldo will not be part of the team against Chelsea as a punitive measure for angrily leaving the stadium when Man Utd played Tottenham, some news source stated that he refused to come as a substitute lately during the match after showing displeasure for not being started and he also showed annoyance when he was substituted in their match against Newcastle last weekend, Erik ten Hag stated that Ronaldo will punished for his unprofessional conduct and I believe the present predicament faced by Ronaldo will force his departure or exit in January transfer window.
Link : https://www.bbc.com/sport/football/63337723