The Azzurri are eight points behind leaders Juventus.
"We can win a title this season," said the summer signing from Real Madrid. "We want to make the fans happy.
"This is a really important week for us, but we need to remain calm and get to Wednesday with a cool head and a hot heart.
"This will give us the possibility to win the game. We'll look at what is happening in Marseille, but we can't worry too much about what others are doing."
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