Chelsea manager Thomas Tuchel has criticised Callum Hudson-Odoi, who was substituted late in the second half despite being brought on at halftime
The England international replaced Tammy Abraham at halftime against Southampton, but was replaced by Hakim Ziyech on in the 76th minute.
There was a similar incident during Kaizer Chiefs' loss to AmaZulu this week, where Lebogang Manyama was subbed off and after being subbed on in the first, which Farouk Khan dubbed 'tea-bagging'.
"No, it was not injury-related. I was not happy with his attitude, energy and counter-pressing," Tuchel said, as per Sky Sports.
"In a game where it was not easy to create chances, you need to rely on counter-pressing to force errors to get the second ball and get the easy chance.
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"And for that, you need to be totally on and sharp for counter-pressing and I did not feel this with Callum today.
"He missed some opportunities for counter-pressing and lost some easy balls and I had the feeling he was never really in the game.
"You know I trust him a lot as he plays every game for us, but today I was close to him and… I do not know, maybe it was unfair, but I did not get the normal feeling with him today that he can be decisive.
"So it is a hard decision today, but nothing that will stick between us, or stick for long. Tomorrow it will be forgotten and we prepare for Atletico."