Paul Merson believes Tuchel has a problem on his hands after Kai Havertz 's inspired performance on Monday night
"They were a real handful against Everton, and Kai Havertz epitomised that," he wrote in his Sky Sports column.
"We finally saw his best on Monday, he was simply outstanding. I didn't realise how quick he was! He was a real handful and the decision to bring him in last night was rewarded.
"When you are winning every week that's what happens.
"The problem he has now is Havertz just had his best game for Chelsea by a million miles, but I'd be surprised if he plays next week. Mason Mount was outstanding against Liverpool but then he didn't play against Everton.
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