That year he had a brilliant season, being a major figure in the club's first treble in its history after winning both league tournaments (Apertura and Clausura) and the Copa Sudamericana, under the guidance of coach Jorge Sampaoli.

[11] In 2012, he helped Universidad de Chile to win the Torneo Apertura, which meant the club's first ever league tri-championship, as well as the last reached during the Sampaoli era.

On 18 March 2014, Herrera scored his first official goal in a 1–0 Copa Libertadores group stage win over Peru's Real Garcilaso, through a penalty kick.

[15] On 2 December, Herrera won his twelfth professional title after defeating in the Copa Chile Final to rivals Colo-Colo in the shootout, where he saved a penalty and scored the winning goal.

Years later, during the best moment of his career between 2011 and 2012 playing for Universidad de Chile, Herrera curiously did not receive nominations from Claudio Borghi, the incumbent coach.

[24] Having been part of the entire qualification campaign since Sampaoli's taking, Herrera was named in Chile's list of 23 for the FIFA World Cup in Brazil.

[26] Following his retirement from football, in 2021 he definitely joined TNT Sports Chile to be a panelist for the TV program Todos Somos Técnicos (We Are All Coaches).