He was the 8th goalscorer of Inter U-17 (ranked least among the forwards), behind Luca Tremolada, Sulaiman Sesay Fullah, Simone Dell'Agnello (permanently borrowed from Allievi Regionali), Davide Santon (winger), Diego Falcinelli, Mattia Destro (also lend to Primavera) and Renato Ricci (winger).
[3] After a successful season, Piras returned to professional football as Chievo sold him to Rodengo Saiano in co-ownership deal, for a peppercorn fee of €100.
[4] Piras only scored once in Lega Pro Seconda Divisione and only able to play 10 starts.
In June 2011 Chievo gave up the remain 50% registration rights but the Rodengo–Saiano team withdrew from 2011–12 Lega Pro Seconda Divisione.
At the start of 2011–12 season Piras joined Carpenedolo and in December 2011 left for another Lombardy team Darfo Boario.