Essien, who worked under Ancelotti and Mourinho during his time at Chelsea, says both managers worked tirelessly on the training pitch to prepare their players.
He told the Official Everton Podcast: "Mourinho would be on the training pitch 24/7 and Carlo would do the same, telling us what to do, our body positions and things like that.
"We had big players, but sometimes you have to come to the basics to add them into your game. Carlo and Jose are always on the pitch. Always.
"Carlo is similar. The way he would talk to you, he talks to you in a manner that when you go on the pitch, all you want to do is play for him. Him and Jose have that in common."
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