 A Lazio youth product, Tiribocchi made his debut playing for Pistoiese in 1995.He moved to Empoli in 1996, but failed to make an appearance, and was signed by Torino Calcio later that year.He played for the Turin club for 8 seasons, although he spent half of them loaned to Serie B and Serie C1 clubs Savoia, Benevento, and Siena, where he won the Serie B title and Serie A promotion in 2003.