The 40-year-old captain made his comeback six months after rupturing his Achilles tendon.
"I feel great emotion, as at the age of 40 after six months out it wasn't easy," he told Sky Sport Italia.
"Right from the day of the operation, I always said I wanted at least one more game in front of my fans. I could ask for nothing more.
"I have to thank the immense crowd, the President, all those who stayed close to me from the medics to my teammates and everyone who wanted me to come back on to the pitch.
"I'm glad my comeback coincided with an important victory for us."
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