He returned to play Serie B with Cittadella and Catania in the following three seasons before ending his career after minor league stints with Sambenedettese, Lucchese and Pontedera.
He was then promoted as assistant under Alfredo Aglietti, then Maurizio Sarri and, lastly, Marco Giampaolo.
He completed the season with Empoli relegated on the final matchday, which led to him leaving the club.
[4] Spalletti was relieved from his duty as Inter's head coach in June 2019, and subsequently, Mastusciello joined the staff of newly appointed Juventus head coach Maurizio Sarri as an assistant manager.
[6] He guided Lazio in an away game against Frosinone, ended in a 3–2 win for the biancazzurri, before leaving the club to make room for Igor Tudor.