The Old Lady finished seventh and the former Fiorentina player enjoying a much better campaign than his previous one.
"I too received a lot of criticism as well in my first season, but I am proud with how I managed to pick myself up," he said.
"I have worn the Brazil jersey too so I knew that I could handle the pressure of playing in Bianconero.
"From a personal point of view, it has been a positive season. However, I am disappointed as I have not yet managed to win trophies with Juventus."