After only one further cup match for Inter,[2] Nunziata left for Serie C1 side Virescit Boccaleone [it] in 1986. He moved to fellow league team Pavia in the following year, suffering relegation to Serie C2 in his first season.
In 1989, Nunziata signed for Foggia in the Serie B. He moved to Padova in the same division in the following year, achieving promotion to the Serie A in 1994.[3]
In 1996, Nunziata agreed to a contract with Torino in the second level, and featured regularly before moving to Brescia in 1998. In 2000, after losing his starting spot, he joined Montichiari in the fourth tier.
In 2001, after a short period at Alzano Virescit, Nunziata joined Seregno in the Serie D. He subsequently played for Pievigina [it] in the same division, and retired with the club in 2003 at the age of 36.
Managerial career
Immediately after retiring, Nunziata started his managerial career with Arzachena in the Serie D.[4] He was subsequently in charge of Alghero[5][6] and Salò[7] before returning to Arzachena in 2008.
On 26 June 2009, Nunziata was appointed in charge of Seregno, with the club now in the Eccellenza Lombardy, but was sacked on 25 September.[8] He worked in the youth sides of AC Milan during the 2010–11 season,[9] before being named assistant of Devis Mangia in the Italy national under-21 team.
Nunziata continued to work as an assistant of the under-21 side in the following years, now behind Luigi Di Biagio. On 4 August 2017, he was appointed in charge of the under-17 team.[10]