"We have a great squad and President Claudio Lotito is bringing some important players in. I think we can achieve something satisfying."
He added: "It's over 370 days since I last played.
"It was hard at the start, but then I trained as myself on a weekly basis.
"All I said was that I would have liked to have played, for professional reasons, in the Champions League with Sampdoria.
"That cost me a lot. But I do want to thank the Cagliari fans who demonstrated their support for me."