Armando Humberto Soto Ochoa (born May 11, 1980), best known as Humberto Soto, is a Mexican professional boxer. A veteran of the sport for over 20 years, he is a former world champion in two weight classes, having held the WBC super featherweight title from 2008 to 2009, and the WBC lightweight title from 2010 to 2011. He also held the WBC interim featherweight title from 2005 to 2006. Professional career Soto made his pro debut at the age of 17 and accumulated a record of 36-5-2, which included a 14 fight undefeated streak, before challenging for his first major title. Featherweight On August 20, 2005, Soto won the interim WBC Featherweight title by beating Rocky Juarez, in a fight which he accepted on two weeks notice. On January 17, 2006, Soto defended his interim title by knocking out Oscar León in the 9th round. He vacated his interim featherweight title and defeated Ivan Valle in a WBC Super Featherweight title eliminator bout. On January 22, 2007, Soto defeated Humberto Toledo (30-2-2) by third-round knockout. In his next bout, he defeated Bobby Pacquiao by seventh-round knockout. On November 17, 2007, Soto fought reigning WBO Super Featherweight champion Joan Guzmán but lost the bout by unanimous decision. Soto vs. Guzman On November 17, 2007, Humberto Soto fought WBO Junior-Welterweight champion Joan Guzman. The Dominican champion dominated the fight based on his speed of hands, reflexes, and superior boxing skills, effectively counter punching the relentless attack of Soto, who showcased tremendous strength, courage and determination. Guzman won the bout by Unanimous Decision. Super Featherweight Soto vs. Lorenzo On June 28, 2008, Soto faced off against Francisco Lorenzo (33-4, 14 KOs) for the vacant interim WBC Super Featherweight title. Soto knocked Lorenzo down twice in the fourth round with a barrage of punches. However, after lengthy consultations with officials at ringside, referee Joe Cortez disqualified Soto for hitting Lorenzo after he was down in what appeared to be a grazing punch. Cortez's decision was widely criticized and the WBC refused to award Lorenzo the title. WBC president José Sulaimán condemned the decision as a "gross injustice" and one of the biggest he has seen in a long time. Sulaiman also announced that the WBC board of governors will vote on whether to declare the fight a no contest or to declare Soto the winner by knockout. Lorenzo, therefore, was not presented the green