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Chelsea were the dominant side as the Blues defeated AC Milan 3-0 at Stamford Bridge last week.
The Blues will be away to Milan at the San Siro, and former AC Milan defender Thiago Silva, is expecting a more difficult game.
AC Milan defeated Juventus 2-0 in their weekend clash in the Serie A, and Silva admits it only showed their quality.
“I’ve seen AC Milan playing better and better,” Thiago Silva said in a press conference.
“They had a bad game last week against us, that can happen, but great clubs like AC Milan won’t make a mistake like that twice. You can see the great result they had against Juventus in their last game.
“So I am sure they are strongly motivated to have another great match tomorrow. I can tell myself and my team that we need to really work hard, because it’s never going to be easy to play here at San Siro and against AC Milan.”