Born in
Frattaminore, Vergara is a product of the youth academies of Frattese 2000, Virtus Crispano, PD F.lli Lod and
Napoli. On 11 March 2021, he signed his first professional contract with Napoli. On 15 July 2022, he joined
Pro Vercelli on a season long loan in the
Serie C where he made his professional debut. On 24 July 2023, he was loaned to
Reggiana in the
Serie B for a season. His first season was cut short by a rupture to the
anterior cruciate ligament, but on 1 February 2024 his loan with Reggiana was extended an additional season until 30 June 2025. Vergara returned to Napoli for the 2025–26 season, and made his debut as a substitute in a 2–0 win over
Sassuolo on 23 August 2025. On 28 January 2026, he scored his first goal with a solo run in a 2–3 defeat against
Chelsea in the
Champions League. ==International career==