The Portuguese superstar will make his Serie A debut against Chievo on Saturday but he has already made a huge impact on the Italian game
What is the 'Cristiano Ronaldo Effect'?
It is now everywhere in Italy. It is all around us. It is both real and virtual.
You can see it when you look out your window and there are kids with 'CR7' shaved into their heads all wearing the same Juventus jersey.
Or when you turn on your television and are inundated with ads hailing ' Il colpo del secolo ' (The deal of the century).