At the time Soto was born, the fourth son, his parents were struggling financially, with his father working as a garbage man and his mother as a house cleaner.[3] Soto grew up in a very religious Pentecostal family, attending church with his family weekly. Soto started wrestling in junior high 8th grade and also played pop warner football. Soto went to Porterville High School in California where he was on the wrestling team and won a California state title.[4] Soto got an athletic scholarship to Iowa Central Community College was a 2x NJCAA All-American. There Soto wrestled with Jon Jones and fellow Mexican American Cain Velasquez plus Colby Covington. Soto and Jones were also roommates during their freshmen and sophomore years where Soto introduced Jones to jiu jitsu plus MMA. They still remain very good friends till this day. [5]
Mixed martial arts
Soto began training mixed martial arts after meeting another fighter who agreed to train him in his garage. Soto began training and took his first fight at a Gladiator Challenge event. Soto won the fight midway in the first round via technical knockout. Soto compiled a 4–0 record before getting signed to Bellator Fighting Championships.
Bellator
Soto joined Bellator by entering their Season One Featherweight Tournament. Soto made his debut defeating Ben Greer at Bellator 1.
In Soto's semi-final fight, which took place May 8 at Bellator 6, he dominated Wilson Reis from the opening bell with impeccable takedown defense and superior striking. Despite being a Brazilian Jiu-Jitsu black belt and the only EliteXC Featherweight Champion, Reis could never get the fight to the ground.
Soto advanced to the Bellator Featherweight Finals and took on Yahir Reyes.[6] Soto won the fight by submission in the second round and became the first Bellator Featherweight Champion. A few days before the championships, Soto cut his eyelid while wrestling during a warm-up and had to go to the hospital. Knowing stitches were not an option, he and his friends went to a beauty parlor to have the cut covered with make-up. While the doctor was inspecting Soto, his camp made sure to crack jokes and distract the specialist from noticing the cut over his eye.[7]
At Bellator 19, Soto fought Diego Saraiva in a "Super Fight".[8] Soto won the fight after cage side doctors said Saraiva was unable to continue because of a cut on his forehead.
Soto had his first title defense in the third season, taking on the winner of the Season Two Featherweight Tournament, Joe Warren.[9] Following a dominant first round Soto was knocked unconscious by Warren at 0:33 of the second round. In the fight, Soto suffered a detached retina and was forced to stay away from fighting for nearly a year.[10]
Bellator promoter, Bjorn Rebney, stated that Soto was eligible to drop down a weight class for Bellator's Season Five Bantamweight Tournament with a win at Tachi Palace Fights 10.[11] Soto lost to Eddie Yagin by first-round submission, and was replaced in the tournament. After the loss to Yagin, Soto was released from his Bellator contract.
Tachi Palace Fights
In January 2012 Soto picked up a win over Chris David and was signed to fight for Tachi Palace Fights. Soto fought his first TPF fight on May 10, 2012, against former WEC fighter, Chad George. Soto won the fight via second-round submission.
Soto was expected to face Anthony Birchak on August 30, 2014, at UFC 177.[12] However, the day of the weigh-ins, Renan Barão had to be admitted to the hospital as a result of his attempts to cut weight. Soto stepped up and faced champion T.J. Dillashaw in the main event.[13] He lost the fight via knockout in the fifth round.[14]
Soto faced Iuri Alcântara on February 3, 2018, at UFC Fight Night 125.[27] The bout with Alcântara marked the last fight of Soto's four-fight contract with UFC.[28] He lost the fight via TKO due to strikes in the first round.[29]
On August 28, 2018, it was reported that Soto was released by UFC.[30]
Soto entered the competition as an underdog, and his first bout was against Eddie Fyvie. Soto won the bout via heel hook in the opening round.
Soto then progressed into the quarterfinals, where he faced 2 time EBI champion Geo Martinez. He won the bout via quickest escape time during overtime.
Soto then progressed into the semifinals, where he faced Joao Miyao (another world-class opponent). He won the bout via quickest escape time during overtime.
Soto then progressed to the finals, where he faced leg lock specialist and favourite of the competition Eddie Cummings. Soto defended many of Cummings' leg lock attempts for several minutes until finally succumbing to a heel hook.