|Full name||Mariano Andrés Herrón Valera|
|Date of birth||24 February 1978|
|Place of birth||Buenos Aires, Argentina|
|Height||1.75 m (5 ft 9 in)|
|Playing position||Defensive midfielder|
|2000||→ Montpellier (loan)||5||(0)|
|2009||→ Deportivo Cali (loan)||28||(1)|
|* Senior club appearances and goals counted for the domestic league only.
Herrón began his playing career with Argentinos Juniors on 10 August 1998 in a 2-2 draw with Gimnasia y Esgrima de Jujuy. In 2000, he had a loan spell with French side Montpellier but returned to play for Argentinos until 2002.
After single seasons with San Lorenzo and Rosario Central he joined Spanish side UE Lleida in 2004. In 2005, he returned again to Argentina to play for Independiente. He spent the whole of 2009 on loan to Deportivo Cali of Colombia.
- "Mariano Herrón se convirtió en nuevo refuerzo de Aldosivi". Yahoo! Deportes (in Spanish). 20 July 2010. Retrieved 2010-07-23.
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