Antonucci joined Roma at the age of 13, after being scouted by their legendary former player and coach Bruno Conti.[3] He signed his first professional contract with the team on 28 September 2017.[4] He made his professional debut for Roma in a 1–1 Serie A tie with Sampdoria on 24 January 2018, and he assisted Edin Džeko for his side's late equalizer.[5][6] On 2 May, he made his European debut against Liverpool in a Champions League semi-final.
Loan to Pescara
On 19 July 2018, Antonucci signed to Pescara on loan until 30 June 2019.[7]
Loan to Vitória de Setúbal
On 30 January 2020, he joined Vitória de Setúbal on loan until the end of 2019–20 season.[8] He had his loan terminated due to posting TikTok videos with him dancing, after a loss against Boavista.[9]
Loan to Salernitana
After appearing on the bench for Roma in the first three games of the 2020–21 Serie A season, on 5 October 2020 he joined Salernitana on loan.[10]
Cittadella
On 30 July 2021, it was announced that Antonucci had joined Serie B club Cittadella on a permanent basis.[11]
Spezia
On 1 August 2023, recently-relegated to Serie B side Spezia announced the signing of Antonucci on a four-year contract.[12]
On 1 February 2024, Antonucci was loaned by Cosenza.[13] On 31 July 2024, he moved on a new loan to Cesena, with an option to buy.[14]