Mariano Andrés Herrón Valera (born 24 February 1978 in Buenos Aires) is an Argentine football manager and former player who played as a defensive midfielder.
Herrón began his playing career with Argentinos Juniors on 10 August 1998 in a 2–2 draw with Gimnasia y Esgrima de Jujuy.
After single seasons with San Lorenzo and Rosario Central he joined Spanish side UE Lleida in 2004.
[2] On 18 December 2017, Herrón was appointed as the assistant coach of Cristian Raúl Ledesma at Club Atlético Tigre.
[6] San Lorenzo This biographical article related to an Argentine association football midfielder born in the 1970s is a stub.