Ancelotti won the double with Chelsea in 2010 and will go down as one of the greatest managers in their history.
"We've never had any problems with the players, just one time at Chelsea. One player didn't show respect and I tried to kill him but it wasn't possible," he told The Times.
"The player is the property of the club and sometimes you cannot do what you want."
The player is said to be one with a "well-documented history of misdemeanours" but cannot be named.
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