|Full name||Mauro Antonio Caballero López|
|Date of birth||3 May 1972|
|Place of birth||Fernando de la Mora, Paraguay|
|Height||1.75 m (5 ft 9 in)|
|1999–2001||Tigres de la UANL||26||(7)|
|* Senior club appearances and goals counted for the domestic league only and correct as of May 2009|
Caballero started playing for Club 24 de Junio of Altos and then moved to the youth divisions of Olimpia Asunción in 1991. In 1992, he made his debut on the senior team for Olimpia, where he would win several national and international championships. Caballero also played for other clubs such as Tigres de la UANL, Cerro Porteño, Club Libertad, Club Jorge Wilstermann, Nacional and Estudiantes de Mérida. His best years as a striker where in 1998 and 2001, when he was the Paraguayan 1st Division topscorer.
Caballero made his international debut for the Paraguay national football team on 9 October 1996 in a World Cup Qualifier against Chile (2-1 win). He obtained a total number of 14 international caps, scoring two goals for the national side. Caballero also played for the Paraguay national football team during the 1992 Olympic Games and the 1998 World Cup qualifiers.
|1.||3 March 1999||Guatemala City, Guatemala||Guatemala||2–3||2–3||Copa de la Paz|
|2.||7 March 1999||Guatemala City, Guatemala||Bolivia||1–0||3–0||Copa de la Paz|
- Olimpia Asunción
- Cerro Porteño