Óscar Romero

Romero was in the youth ranks of Boca Juniors when he was a Sub 15, but could not continue at the club for a matter of paperwork, therefore he did not play for the Xeneize.

Cerro Porteño

Romero joined the youth ranks of Cerro Porteño at the age of 14. He debuted in the First Division of Paraguay on 15 May 2011 in a 1–0 defeat against General Caballero SC of Zeballos Cue. He scored his first goal on 1 December 2012 against Sportivo Luqueño. His good performances attracted many European teams, such as Spanish clubs Real Madrid B and Valencia Football Club. In 2013, like his brother Angel, he had more opportunities, since the club decided to give chance to the youth. With the new DT Francisco Arce, Oscar impressed, attracting interest from clubs like Baniyas SC of United Arab Emirates and also being summoned to the Selection Paraguay. In October 2014, after his good performances in the knockout round of the Copa Sudamericana against Lanús Argentina, in which he scored three goals, he was said to be worth $3 to 6 million. He was targeted by major European clubs, such as Atlético Madrid.

Racing Club

On 28 January 2015, Romero was signed by Racing Club for $2.7 million. He debuted on 18 February against Deportivo Tachira in Copa Libertadores. On 13 March 2015, Romero scored his first competitive goal for the club against Club Atlético Colón. On 15 August 2015, Romero scored his second goal against Union de Santa Fe.

Shanghai Shenhua

Romero played for…

Club

As of match played 3 June 2026

International

Scores and results list Paraguay's goal tally first.

Cerro Porteño

Primera División: 2012 Apertura, 2013 Clausura Shanghai Shenhua

Chinese FA Cup: 2019 Boca Juniors

Primera División: 2022 Copa de la Liga Profesional: 2022 Supercopa Argentina: 2022 Botafogo

Campeonato Brasileiro Série A: 2024 Copa Libertadores: 2024