The deal would be worth 42m plus another 5m in bonuses, added to a contract worth 12m per season.
"I don't think about money, as that is not an issue for me," Thiago Silva told magazine Chi.
"My strength is my family and above all God. I am a devoted Christian and also have a tattoo on my arm confirming I am a son of the Lord.
"In our Brazilian team we have in my view one of the top three strikers in the world, Alexandre Pato. I only hope he rediscovers his fitness.
"I send a sincere wish of good luck to the Italy side and my part-Italian, part-Brazilian, part-crazy friend Antonino Cassaninho. He's a phenomenon."