[2] Pereyra began in the ranks of Club Ateneo, before signing with CAI of Torneo Argentino A as the defender was selected in thirteen matches during the 2011–12 campaign which ended with relegation.
[2] He scored his first goal for them in his fifth appearance, netting the leveller in a 1–1 tie with Defensores de Belgrano.
[2] He scored one goal, against Guaraní Antonio Franco on 4 October 2017, in forty-four appearances in all competitions across the 2016–17 and 2017–18 seasons.
[2] Pereyra joined Primera B Nacional side Arsenal de Sarandí ahead of 2018–19.
[2] Then near the end of January 2021, 'Paio' terminated his contract with Arsenal de Sarandí to join Peruvian side FBC Melgar.