After many years of portraying a tecnico ("Good guy") wrestling character, Ángel de Oro and his brother turned rudo and aligned themselves with El Terrible, eventually forming Los Nuevos Ingobernables.

[1][2] Early on Ángel de Plata worked mainly for independent promotions around the Gómez Palacio, Durango area, often while feuding with his brother who at the time wrestled as Guerrero Inca ("Incan Warrior").

On April 7, 2009, Ángel de Oro participated in a 10-man Torneo cibernetico elimination match for the vacant CMLL World Super Lightweight Championship.

The other participants included Ángel Azteca Jr., Rey Cometa, Pegasso, Tiger Kid, Pólvora, Inquisidor, Súper Comando, Angel de Plata and eventual winner Máscara Dorada.

[3][7] As a sign of his success so far Ángel de Oro participated in his first ever major CMLL event as he teamed up with Fuego and Stuka Jr., wrestling and losing to Poder Mexica (Sangre Azteca, Dragón Rojo Jr. and Misterioso II) in the opening match of the 2010 Homenaje a Dos Leyendas on March 19, 2010.

[8] Ángel de Oro was one of 12 men who put their mask on the line as part of a 12-man steel cage match in the main event of the 2010 Infierno en el Ring.

[13] On January 9 Ángel de Oro, Diamante, and Rush defeated Delta, Metro, and Stuka Jr. to win the Mexican National Trios Championship.

Often time the pairs are created to further ongoing storylines but there had been very little direct interaction between Ángel de Oro and Último Guerrero prior to the tournament.

In the first round the duo defeatedToscano and El Terrible, but lost in the second round to Guerrero's rival Blue Panther and Guerrero's regular teammate Dragón Rojo Jr.[15][16] On February 28, 2011 Ángel de Oro, Diamante, and Rush successfully defended the Mexican National Trios Championship against Los Cancerberos del Infierno (Euforia, Pólvora and Virus) Over the spring of 2011 Ángel de Oro was one of 16 competitor's in CMLL's first ever Forjando un Ídolo ("Forging an Idol") tournament, designed to showcase some of CMLL's younger, lower ranked wrestlers in order to elevate one or more of them up the ranks.

[18][19] The original plan for the tournament was to have Ángel de Oro take over the mask and ring character of Místico, who had left CMLL to work for WWE instead.

[23] On September 20, Ángel de Oro, Diamante, and Rush lost the Mexican National Trios Championship to Los Invasores (Olímpico, Psicosis II, and Volador Jr.).

[28] On April 29, 2012 Ángel de Oro received a shot at the NWA World Historic Welterweight Championship, but was defeated by champion Negro Casas in three falls.

[37] In December 2013 Ángel de Oro suffered a severe knee injury during a match where he teamed up with Esfinge and Shocker, defeating Euforia, Exterminador and Tiger.

He made his return to the ring on June 2, 2015, teaming with Blue Panther and Titán, only to lose to Los Invasores (Kraneo, Morphosis and Ripper).

[46] On April 8, 2016 La Máscara defeated Ángel de Oro to end his CMLL World Light Heavyweight Championship after 528 days with the title.

[47] On May 21, 2016 Ángel de Oro was one of ten wrestlers competing in a torneo cibernetico elimination match to determine the first Lucha Libre Elite Middleweight Championship.

[49] On January 19, 2018 at Fantastica Mania 2018, Ángel de Oro lost the middleweight championship to El Cuatrero as part of an ongoing storyline feud between the two.

[51] The Ángel de Oro/El Cuatrero storyline culminated at the 2018 Homenaje a Dos Leyendas ("Homage to two legends") show on March 16, 2018 where the two met in the main event.

At the event, they worked with El Terrible (the last remaining member of Los Ingobernables), who helped Ángel de Oro win the cibernetico match.

[64][65] In January 2015, Ángel de Oro returned to Japan to take part in the Fantastica Mania 2015 tour, during which he successfully defended the CMLL World Light Heavyweight Championship against Okumura.

[67] Ángel de Oro returned to New Japan Pro-Wrestling on October 21 at Road to Power Struggle event where he took part in 2016 Super Jr. Tag Tournament, teaming up with Titan.