Núñez moved from Paraguay to Argentina in 2015 to join Huracán, though couldn't play matches for their academy for two years due to paperwork issues.[2][3] Núñez made a breakthrough into first-team football in 2020, with the attacking midfielder making his senior debut on 31 October in a Copa de la Liga Profesional match with Vélez Sarsfield.[1] A day prior, he had signed a new contract lasting until the end of 2023.[4][5][6] In June 2022, Núñez was loaned out to Primera Nacional side Tristán Suárez until the end of 2022.[7]
Personal life
Born in Itapé with five brothers, Núñez headed to Villarrica at the age of seven in order to further his footballing career; living with an unrelated man due to his family not having suitable transport to take him to training from his hometown.[2]