Career
In February 9, 2008, Hernández knocked out Rodel Mayol. Winning the WBC Light Flyweight Championship
He then defeated Gideon Buthelezi by second round knockout on September 24, 2011 to retain the title. Losing and Regaining the WBC Light Flyweight Championship
Hernández would then lose the WBC Light Flyweight Championship to Kompayak Porpramook by 10th round knockout on December 23, 2011 in Bangkok, Thailand.
He would rebound with wins over Oswaldo Fuentes and Ivan Diaz via first round knockout on June 17, 2012 and unanimous decision on July 27, 2012 respectively.
A rematch with Porpramook was then confirmed for October 6, 2012, where Hernández avenged his loss to Porpramook and regained the WBC Light Flyweight Championship via a sixth round TKO in Toluca, Mexico. Hernández would lose the title to Naoya Inoue on April 6, 2014 via sixth-round technical knockout.
He reportedly struggled badly to make weight before the fight, even resorting to shaving his head in order to meet the light flyweight limit. Professional record.