Province of Arezzo
Born in Montevarchi, the Province of Arezzo, Tuscany, Calori started his career at Serie D club Colligiana. In 1999, he was signed by Cagliari. From 2000 to 2006, Calori spent 6 seasons with Sangiovannese, a team also located in the Province of Arezzo. In 2006, he moved to Pisa, Tuscany. Calori played 31 matches in 2006–07 Serie C1. Calori also played all 4 matches in the promotion playoffs, winning promotion back to Serie B.