Marcos Bahia

Born in Poções, Antônio joined the youth setup of Athletico Paranaense in 2014. On 7 July 2018, he moved to the Portuguese club Estoril and signed a professional contract. On 30 September, he made his debut in a 1–0 win against CF Vasco da Gama Vidigueira, in Taça de Portugal. On 19 February 2019, Antônio joined the Ukrainian club Shakhtar Donetsk. On March 13, 2020, he scored his first goal in the Europa League in the 2-1 Shakhtar away victory against VfL Wolfsburg. During his time at the club, he was described as the "engine" and "master" of Shakhtar's midfield. On 20 June 2022, Antônio signed for Lazio. He struggled to establish himself in the starting eleven during his first season. In July 2023, with news of him leaving the club, he was racially abused by a Lazio fan. Antônio put out a statement in response to the claim. On 1 September 2023, Antônio joined PAOK on loan with an option to buy. On 23 July 2024, Antônio was announced at São Paulo on a one year loan contract. On 1 July 2025, his loan contract was renewed for another season, with an option to buy added to his contract.

Antônio played for the under-17 team at the 2017 South American U-17 Championship. He also represented the side at the 2017 FIFA U-17 World Cup held in India, and scored a goal against Honduras in the Round of 16.

Club

As of match played 20 May 2024

Athletico Paranaense

Campeonato Paranaense: 2018 Shakhtar Donetsk

Ukrainian Premier League: 2018–19, 2019–20 Ukrainian Cup: 2018–19 Ukrainian Super Cup: 2021 PAOK

Super League Greece: 2023–24 Brazil U17

South American U-17 Championship: 2017 Individual

South American Youth Championship Team of the Tournament: 2019