Byron Castillo

Early career

Castillo began his career with Norte América, but made his debut as a senior while on loan at Deportivo Azogues. In May 2015, he was loaned to Emelec, but was released in July after having problems with his documentation. In January 2016, Castillo moved to Aucas. He made his Serie A debut with the side on 7 February, starting in a 1–2 away loss against Fuerza Amarilla, and scored his first goal in the category late in the month, in a 1–1 home draw against Mushuc Runa. On 31 December, Aucas announced that he had extended his contract with the club for a further four seasons.

Barcelona SC

On 5 January 2017, Castillo was presented at Barcelona SC. After featuring in just one match during his first season, he started to feature more regularly from the 2018 season onwards, and became a regular starter in 2020. On 10 July 2021, Castillo signed a new contract with the club until 2025.

León

On 10 June 2022, Castillo signed for Liga MX side León.

Youth

Castillo was a part of the Ecuador under-17 team that featured in both the 2015 South American U-17 Championship and the 2015 FIFA U-17 World Cup, being an undisputed starter for the side in both tournaments. In November 2016, he featured for the under-20s in a friendly against Chile.

Senior

On 29 August 2021, Castillo was called up to the Ecuador national team by manager Gustavo Alfaro for three 2022 FIFA World Cup qualifiers against Paraguay, Chile and Uruguay. He made his full international debut on 2 September, starting in the 2–0 win over the former at the Estadio Rodrigo Paz Delgado in Quito.

Club

As of 10 June 2022

International

As of 12 November 2022

Barcelona SC

Ecuadorian Serie A: 2020 León

CONCACAF Champions League: 2023 Individual

South American Team of the Year: 2021 Copa Libertadores Team of the Tournament: 2021