By Matthew Cooper Mauricio Pochettino has revealed Enzo Fernandez’s passionate celebration in Chelsea’s 3-1 win over Aston Villa was a response to the abuse he has received on social media. Fernandez scored a brilliant free-kick to put Chelsea 3-0 up and celebrated by taking off his shirt, pointing to himself and the pitch and then displaying his shirt to the travelling Blues supporters. There were some suggestions the celebration was a response to reports claiming the midfielder was considering leaving Stamford Bridge, but Pochettino felt it was a reaction to the abuse that prompted both Fern…