[3] Sandoval made his professional debut against Adalberto Solares on 18 June 2016, and won the fight by a third-round technical knockout.
The fight was stopped at the 2:21 minute mark of the round, after Harris was dropped to the canvas twice and was unable to beat the eight count following the second knockdown.
[10] Sandoval faced David Jiménez in a WBA flyweight title eliminator on 16 July 2022, on the undercard of the Ryan Garcia and Javier Fortuna lightweight bout.
Sandoval dropped his opponent with a punch to the body in the dying seconds of the round, which left Ortiz unable to rise from the canvas.
[14] Sandoval is scheduled to face Ángel Acosta in a 10-round flyweight bout at Toyota Arena in Ontario, CA on July 6, 2024.