Chelsea boss Antonio Conte named a brave line-up to face Barcelona as he opted to start without a striker and also chose not to play the captain Gary Cahill.
Conte started a backline that included Cesar Azpilicueta, Andreas Christensen and Antonio Rudiger.
With Chelsea 1-0 ahead just after the hour mark, Lionel Messi equalised on the 75th minute following a wrong pass across the defence by Andreas Christensen. But Conte chose not to criticize the young defender.
“No absolutely not. It was a great performance, an incredible performance. He is only 21 and it is great he can play with that maturity.
“He was one of the best players tonight. He played a top game and I am very pleased for his performance.”