Castaneda made his professional debut on December 21, 2012 when he defeated Miguel Pizarro with a first round knockout at La Villita Assembly Hall in San Antonio, Texas. His second professional fight was against Christian Santibanez in March of this year. The 22 year old Castaneda would win by unanimous decision (38-37, 39-36, 39-36) to defeat Santibanez.
Castaneda will compete on his first Golden Boy Promotions card on September 2nd when Golden Boy Live! comes to Cowboys Dance Hall in San Antonio.