John Anthony Mercado Cuero (born 3 June 2002) is an Ecuadorian professional footballer who plays as a winger for Primeira Liga club AVS Futebol SAD and the Ecuador national team.
Born in Guayaquil, Mercado agreed to a contract with Athletico Paranaense in July 2019,[1] but only moved to his new side in August 2020, after his 18th birthday.
[3] Mercado made his professional debut on 2 March 2022, coming on as a second-half substitute for Léo Cittadini in a 0–2 away loss against Palmeiras, for the year's Recopa Sudamericana.
[7] At the end of the 2022–23 season, Vilafranquense relocated to Vila das Aves and was rebranded as AVS Futebol SAD.
[11] Mercado debuted for the senior Ecuador national team on 6 September 2024 in a World Cup qualifier against Brazil at the Estádio Couto Pereira.