Topics: English Premier League, Arsenal, Chelsea, Gary Cahill, Alexis Sanchez
Chelsea's defender tried to send the ball to Thibaut Courtois, but his attempt was torn apart by Alexis Sánchez, who scored the opener with a classy finish

Gary Cahill found yet another way to disappoint Chelsea's fans today, as one appalling mistake paved the way for Arsenal's opening goal.

The English defender was trying to send the ball to his goalkeeper, but he didn't notice Alexis Sánchez's presence near him. Cahill couldn't hit the ball correctly and almost handed Sánchez the ball to face Courtois all alone. The Chilean ace ended up scoring with a beautiful lobbed ball.

Theo Walcott and Mesut Özil added their names to the scoring sheet, making it 3-0 at halfitme for the Gunners.

Of course, fans couldn't forgive such an appalling performance by Cahill. Here are some of their best trolls and comments.