Robert Manzanarez

Robert Manzanárez Sandoval (born December 17, 1994 in Phoenix, Arizona) is an American professional boxer in the Lightweight division and fights out of Los Mochis, Sinaloa, Mexico.
Professional career.
On August 27, 2011 Manzanárez knocked out the veteran Édgar Martínez at the Centro de Espectaculos de la Feria de León in León, Guanajuato, Mexico.