"The less that is said about it all, the better it is for me!
"Chelsea are thinking about the Champions League and, with their league commitments as well, maybe they will forget about me."
The Argentine added: "I remember the day that Roman Abramovich wanted me to renew my contract. He did not want to let me go but in the end he agreed.
"I know that they would like me to return but it is a question of what motivates me the most."