On 30 August 2019, he signed a contract with Italian club Bologna and was loaned back to Vélez Sarsfield for the rest of 2019.[4] Domínguez made his debut for Bologna as a sub on 12 January in a 1–0 loss away at Torino. He would make his first start for the club on 19 January in a 1–1 home draw against Hellas Verona.
Nottingham Forest
On 1 September 2023, Domínguez signed with Premier League side Nottingham Forest on a five-year deal in swap deal for Remo Freuler.[5] He made his debut away at Manchester City later that month. On 1 October, Domínguez scored his first goal for Nottingham Forest in a 1–1 draw against Brentford.[6]