Chelsea fans expressed discontent as Mauricio Pochettino substituted Mykhailo Mudryk during the match. Fans booed and chanted against Pochettino's decision, showing frustration towards him and Sterling. The atmosphere turned hostile towards the coach.
Mauricio Pochettino's decision to sub Mykhailo Mudryk was greeted with boos from the home fans. #CHELEI | #CFC https://t.co/q55nGboj2Z
The Chelsea fans have turned on Sterling...and Pochettino #cfc #FACup https://t.co/jLIaJgc34Y
Some Chelsea fans near the press box absolutely roaring at Pochettino in fury.
#CFC fans turning on Pochettino. #CHELEI
#cfc fans sing "you don't know what you're doing" at Pochettino as he takes off Mudryk for Chukwuemeka.