He made his Serie B debut on 7 September 2008, whilst playing for Avellino, in a 3–1 defeat away to Triestina.
[1] Born in Sassari, Sardinia, Dettori was a player for Latte Dolce in 2000–01 Promozione season.
On 7 August 2008 Dettori and Iandoli were signed by Serie B side Avellino in temporary deals from Pescara.
[4] On the same day Roberto Inglese also joined Chievo for €600,000[5] and Luca Ariatti moved to Pescara for €650,000.
Just before the closure of the transfer window, Dettori was signed by Lega Pro newcomer Arezzo.