Asked if they were the best in Europe, Ancelotti said: "Yes, I think.
"We want to maintain their fitness, but rotation could do them good with the Premier League and the Champions League.
"They are accepting my decisions without problems, and this is important. To have them available at the moment, it's important at this time of year."
He added: "We have fantastic strikers. I have to make a decision about the games, to put them in or not.
"Didier played for two hours against Everton. Torres and Anelka were fresh and, together, they played well.
"(Frank) Lampard also had good combinations with Fernando."