Chelsea will have Cesar Azpilicueta and Mason Mount available for Tuesday's Champions League last-16 trip to Lille.
Blues skipper Azpilicueta has bounced back from a groin injury, while Mount returned to training on Monday and will be in the squad for the plane to France.
However, Callum Hudson-Odoi has not recovered in time from an Achilles problem.
"Azpi looks much better than Callum," said Tuchel at his pre-match press conference.
"Callum did not train yesterday but Azpi trained and had no reaction so if it stays like this then he's available for tomorrow.
"Mason did a very good individual session. He will try to come back to team training today but he was out maybe a little bit too long to start. Perhaps he is involved with the squad but he has not trained with the team yet."
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