Chivu and Adriano played together for Inter and the Brazilian admits it is a surprise seeing his former teammate now the club's head coach.
He told Gianluca Rossi on his YouTube channel: "I played with him, he's always been a good person. It's a surprise for me; it's nice to see him leading Inter to the top."
On Inter's young striker, Francesco Pio Esposito, Adriano also said: "He can do very well, and I hope he can continue like this."
Adriano is back in Milan for the Winter Olympics and added, "I'm very happy to be back here and see old friends, I'm happy to be part of this celebration.
"Inter and your country are in my heart, it's always a pleasure for me. Let's hope we can win."
