Career
Born in San Gavino Monreale, Province of Medio Campidano, Sardinia, Diola began his career at nearby Cagliari. Foreign the 2014-2015 season, he was loaned to Tuttocuoio in Lega Pro. He made his debut for the Pisan club on 30 August 2014, playing the full 90 minutes in a goalless home draw against Carrarese.
His first goal came on 28 September, a fifth minute opener in a 3–2 defeat at Air Corps Pistoiese.
In total he scored four goals in 33 games, all but two as a starter. He headed the opener in the 1–1 draw at Trapani in the next round six days later, with his team advancing in a penalty shootout.