Balotelli left Manchester City in January for Milan.
"I want to be the best player in Europe and I want to prove that this season," the 23-year-old told the Sunday Mirror.
"At the moment, I only rate Messi and Ronaldo above me, but that can change this season. I am playing good football with Milan and I want to be number one in Europe. To do that, I must perform well in the Champions League.
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