Chelsea lost the FA Cup final on penalties after a goalless draw.
“We tried everything and did the last test in the morning, but it was not better.”
Tuchel endured shoot-out defeat to Liverpool for the second time this season after losing the Carabao Cup Final in February.
And when Tuchel considered bringing on Werner late in the game, the striker informed him he had tweaked his own hamstring while warming up.
Kai Havertz missed the game with a hamstring injury.