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German boss Thomas Tuchel has turned Chelsea into an unbeatable machine, as the Blues are yet to taste defeat since he took charge of the club in January.
Atletico Madrid found it hard against Chelsea a few weeks ago in Bucharest, as the Blues won the game 1-0, courtesy of an Olivier Giroud overhead kick.
For Diego Simeone’s side, they even struggled to create chances against Chelsea and barely had a shot on target.
Speaking ahead of the second leg at Stamford Bridge on Wednesday night, Simeone has admitted that that he’s yet to find a weakness in this Chelsea team under Thomas Tuchel.
“I believe today Chelsea don’t have a weakness,” Simeone said in a press conference on Tuesday.
“The only thing is they don’t know what can happen from a negative point of view.
“They have not had a negative result yet and that will be a question until it happens.
“We are facing a team that has done quite well since their coach has come, they have never lost. They feel strong at home and are playing quite well.
“They have had games like us around the Champions League matches that have been close and tough. Tomorrow, we just have one result, to win. We have to take the match where we want so we can win with a goal. The single idea is to win.
“You can start winning in minute 84 or minute 10 because they are all possible results. The aim is to take the match to them after the second leg for the situations to be improved.
“We don’t know how they will think about the match, but I know what we want from the match which is to win it.”