Thomas Tuchel says 'you don't want to fight Antonio Rudiger' following Kepa Arrizabalaga bust-up as Chelsea boss names his three toughest stars

"You honestly don't want to fight Antonio Rudiger," Thomas Tuchel has warned Porto ahead of Chelsea's crunch Champions League clash with the Portuguese giants.

The Blues hold a two-goal lead over Sergio Conceicao's men heading into Tuesday's second-leg showdown - which is LIVE on talkSPORT.

And in his pre-match press conference, the Frenchman was asked by reporters who he looks to when the going gets tough.

Tuchel responded: "You honestly don't want to be in a fight with Toni Rudiger, with Cesar Azpilicueta or Mateo Kovacic.

"They are emotional guys who are always ready to fight and it's in their nature to show that on the pitch and to protect the interests of our team.

"When I was a player at a lower level it was always important when there was a lot of tension ahead of the big matches to see who was there with me.

"I am sure our guys will be very comfortable when they look around our dressing-room and see who they can rely on.

"The best thing about this game is that we will all be out there together, pushing hard, hard, hard on the pitch, from the bench and from the stands for the best outcome.

"We have a minimum of 90 minutes to fight against Porto and that is what we will do."

Meanwhile, Tuchel has warned his team not to get complacent as they bid to get the job done in west London.

"We won't change our approach for this game because if we start adapting we could easily lose our heads.

"It's easier for Porto because they know very well that they need to score at least three goals to go through.

"But we can't go out thinking that it's good enough to lose 1-0, or maybe to have a draw.

"Why should we enter into that way of thinking? We have a certain way of playing and we should rely on what we do well rather than changing our approach because of the result we had last week.

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"Everybody can wreck their heads about it, but our target is to keep our focus and embrace this challenge.

"We have to accept that Porto are a proud club and a very emotional team.

"But if we maintain full focus we can be absolutely self-confident because we have a strong squad and we are always a tough team to play against."