The Blues eased to a comfortable win against the defending Premier League champions thanks to first-half goals from Diego Costa and Eden Hazard.
Chalobah came off the bench to tee up Victor Moses for Chelsea’s third of the game to seal a comfortable win at Stamford Bridge.
Chelsea midfielder Willian missed the Premier League clash due following his mother’s death after a long battle with cancer.
And Azpilcueta sent a message to the Brazilian as he posted the above selfie with debutant Aina and Chalobah on his Instagram page:
“This win is for you @willianborges88 and your family! Congrats @olaaina2 on your PL Debut and great assist @natedogg39 👌#CFC #chelseafc”
Chelsea have won their last two Premier League games following victories over Hull City and Leicester.
The west London side will host Manchester United in their next Premier League fixture at Stamford Bridge on Sunday 23 October.
The Blues have won five of their opening eight Premier League games so far this season.
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