 In September 2014, it was reported that Diaz had signed with El Rey network's new show "Lucha Underground", that began airing on October 29.He worked the tapings under the ring name Cortez Castro.In Season 2 it was revealed that Castro is an Undercover Los Angeles Police Officer named Reyes, he is also part of a special task force along with Joey Ryan, both on a mission to bring down Dario Cueto.