On 15 September 2021, Aguirre joined Brazilian club Sport Club do Recife.Sport anuncia chegada do argentino Nicolás Aguirre, folhape.com.br, 15 September 2021 After the move, the club made a mistake and didn't register him, so he couldn't play for the club for the rest of 2021.Sem poder jogar, Aguirre fala do sacrifício para vir ao Sport e espera definição, meusport.com, 6 October 2021 In February 2021, Aguirre returned to his former club Atlético de Rafaela.Nicolás “Bicho” Aguirre regresa a Atlético de Rafaela, viapais.com.ar, 18 February 2022
