The Dutchman is expected back from a thigh strain for the game against Atalanta on November 11. His return could prompt another change of tactics.
"His value is beyond debate. Sneijder is a particular player, as you have to put him in the right circumstances so he can express himself at his best, otherwise he can struggle. His idea position is behind a striker in the 4-2-3-1, though he can also play on the left in a three-man midfield.
"We want to become great again. I am not afraid, even though we are starting out from Year Zero."