Oscar Guerreño

Gustavo Ariel Guerreño Otazú (born 17 October 1991) is a Paraguayan footballer who plays as a forward for Sportivo Iteño.

Career Born in Paraguarí, Paraguay, Guerreño was with club 15 de Mayo in his hometown before joining the Rubio Ñu under-20 team. He made his professional debut with them in the 2010 Paraguayan Primera División against Guaraní under Francisco Arce. In 2012, he switched to Sportivo Carapeguá in the same division.

The next two years, Guerreño played for Sportivo Iteño, Olimpia Itá, Sportivo Carapeguá and Sportivo Iteño again. In August 2021, he switched to Cobreloa.

In 2022, he played for Universidad de Concepción.

In 2023, he moved to Ecuador and signed with Serie A side Mushuc Runa. In the second half of the same year, he returned to Chile and joined Deportes Concepción. In May 2024, he moved on loan to San Marcos de Arica to replace Nicolás Gauna due to an Achilles tendon rupture.

Personal life His younger brother, , is a professional footballer. Another brother, Rubén, also played football and became a policeman like his father. They all three coincided in Sportivo Carapeguá.