Romelu Lukaku was given a breather against Lille on Tuesday night.
The Blues managed to win 2-0 over Lille on Tuesday night even after Lukaku was dropped from the squad.
He was an unused substitute against Lille and Tuchel explains his decision to not play the Belgian striker.
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Tuchel said: “It was not the moment after the match where everybody was focused on the few touches that he had to put him right into the next fire. It was the moment to take a step back. That was the decision and that’s it. [The] focus is huge. There were nine other players who did not play.
“We should never forget we consider this sport a team sport and the eleven guys who play do everything to commit fully to what we plan and to commit fully to their teammates and those on the bench have to do the same and this is how it works. Especially at Chelsea and especially for us and this is how we win football matches.”