Roberto Gaspar Vásquez Ramírez (born Aug 11, 1984) is a Mexican American professional boxer who held the WBA light flyweight title from 2005 to 2006.
His first minor championship was the WBO Latino light flyweight title, which he won from Carlos Caballero on October 31, 2002 by fourth-round TKO.
In Vásquez's next fight—on February 15, 2003—he unified the WBO and WBC Latino light flyweight titles by knocking out Marlon Márquez in the tenth round.
On April 29, 2005, Vásquez knocked down Mendoza twice in the tenth round, and after the count of 10 the referee Luis Pabon ended the fight.
[1] Vásquez then successfully defended the Light Flyweight title three times, against José Antonio Aguirre from Mexico, Nerys Espinoza from Nicaragua and Nohel Arambulet from Venezuela.