Arsenal boss Arsene Wenger reckons Chelsea's first goal was 100 per cent a foul
And Arsene Wenger, who is currently serving a four-match touchline ban, has picked fault with Chelsea's first goal after Marcos Alonso leaped highest to beat Hector Bellerin to the ball and head home.
Arsene Wenger was in the stands at Stamford Bridge as he is serving a touchline ban
The Frenchman is adamant that Alonso fouled Bellerin after his high elbow caught the Spaniard, who was substituted straight after the incident in the first half.
When asked about Chelsea's first goal he said: "It was a foul. If you look at a number of games recently we can feel sorry.
Hector Bellerin was substituted following the collision with Alonso
Should Chelsea's goal have stood after this challenge on Hector Bellerin?
Sat, February 4, 2017
Should have Chelsea's opening goal against Arsenal stood after this challenge on Hector Bellerin
1 of 10
Should Chelsea's goal have stood after Alonso's challenge on Bellerin?
"It was 100 per cent a foul, it was even dangerous play. That doesn't take anything away from the performance of Chelsea.
"We had a strong start but didn't take the opportunities and after half time the second goal was the killer for us."