Miguel David Aceves Martínez (born August 3, 1998) is a Mexican professional mixed martial artist and doctor who currently competes in the Bantamweight division of Ultimate Fighting Championship (UFC). As of June 20, 2026, he is #7 in the Meta UFC bantamweight rankings.
Early life Martínez was born on August 3, 1998, in Ecatepec de Morelos, State of Mexico. However, due to the local insecurity, he moved to Mexico City as a child. In his teens, he became interested in mixed martial arts, joining the Bonebreakers MMA Team with his older sister, Melissa. Their father, Ricardo Martínez Ramírez, in addition to coaching David since he was twelve, has coached the Mexican national kickboxing team.
Mixed martial arts career Combate Americas/Global In 2018, Martínez signed with Combate Americas, later renamed Combate Global. There he suffered the first defeat of his career, at the hands of Gianni Vázquez on April 9, 2021 in Combate Global: Chairez vs. Monterroso.
After Gustavo Lopez vacated his Bantamweight Championship, the promotion created a tournament to crown a new champion, with Martínez among the contenders. On May 29, 2021, Martínez defeated Alejandro González by first-round TKO in the quarterfinals, and then Alan Cantú by unanimous decision in the semifinals.
CG Bantamweight Championship In the tournament final, held on the same date, he challenged then-bantamweight champion Francisco Rivera. With a knockout 17 seconds into the second round, Martínez became the bantamweight champion.
In his first title defense, Martínez faced Arturo Vergara on May 27, 2022. He won the fight via TKO in the first round.
Martínez faced Axel Osuna on October 7, 2022, winning again by TKO to retain the title, this time in the fourth round.
Martínez faced Jose Zarauz on May 28, 2023. With an incredible roundhouse kick in the fourth round, he successfully retained the title for the third time. He later left the company.
Dana White's Contender Series Martínez competed in Week 8 of Dana White's Contender Series Season 8 for a UFC contract, facing Xavier Franklin on October 1, 2024. He earned a unanimous decision victory and was one of five new signings to the promotion.
Ultimate Fighting Championship Martínez made his UFC debut on March 29, 2025, at UFC on ESPN 64, where he faced Saimon Oliveira. With a pair of knees and punches, he won the fight in the first round. This victory earned him Performance of the Night honors.
Martínez was scheduled to face Carlos Vera on September 13, 2025, at UFC Fight Night 259, but the fight was canceled for unknown reasons, and his place was taken by Quang Le. However, this latter fight was also canceled due to Martínez being removed from the co-main event, where he will face Rob Font. David won the fight by unanimous decision.
Martínez faced Marlon Vera on February 28, 2026, at UFC Fight Night 268. He won the fight by unanimous decision.
Martínez was scheduled to face former UFC Bantamweight Championship challenger Umar Nurmagomedov on July 25, 2026 at UFC Fight Night 282. However, Martínez withdrew from the bout due to an injury.
Martínez faced Dan Ige on September 12, 2026 at UFC Fight Night 288. He won the fight by unanimous decision.
Personal life Outside of his role as a MMA fighter, David also holds a bachelor's degree, having studied medicine at the National Autonomous University of Mexico and the Mexican Social Security Institute. For this reason, he has left behind his nickname "Black Spartan" in favor of "Doctor Vergazos."
Championships and accomplishments Ultimate Fighting Championship Performance of the Night (One time) UFC.com Awards 2025: Ranked #4 Newcomer of the Year
Combate Global Combate Global Bantamweight Championship (one time) Combate Global Bantamweight Tournament
Mixed martial arts record
|Win |align=center|15–1 |Dan Ige |Decision (unanimous) |UFC Fight Night: Silva vs. Delgado | |align=center|3 |align=center|5:00 |Glendale, Arizona, United States
|Win |align=center|14–1 |Marlon Vera |Decision (unanimous) |UFC Fight Night: Moreno vs. Kavanagh | |align=center|3 |align=center|5:00 |Mexico City, Mexico
|Win |align=center|13–1 |Rob Font |Decision (unanimous) |UFC Fight Night: Lopes vs. Silva | |align=center|3 |align=center|5:00 |San Antonio, Texas, United States
|Win |align=center|12–1 |Saimon Oliveira |TKO (knee and punches) |UFC on ESPN: Moreno vs. Erceg | |align=center|1 |align=center|4:38 |Mexico City, Mexico
|Win |align=center|11–1 |Xavier Franklin |Decision (unanimous) |Dana White's Contender Series 74 | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States
|Win |align=center|10–1 |Jose Zarauz |KO (spinning wheel kick) |Combate Global: Martínez vs. Zarauz | |align=center|4 |align=center|4:17 |Miami, Florida, United States
|Win |align=center|9–1 |Axel Osuna |TKO (punches) |Combate Global: Martínez vs. Osuna | |align=center|4 |align=center|4:14 |Miami, Florida, United States
|Win |align=center|8–1 |Arturo Vergara |TKO (punches) |Combate Global: Martínez vs. Vergara | |align=center|1 |align=center|2:08 |Miami, Florida, United States
|Win |align=center|7–1 |Francisco Rivera |KO (head kick and punches) |rowspan=3|Combate Global: Bantamweight Tournament |rowspan=3| |align=center|2 |align=center|0:17 |Miami, Florida, United States
|Win |align=center|6–1 |Alan Cantú |Decision (unanimous) |align=center|3 |align=center|5:00 |Miami, Florida, United States
|Win |align=center|5–1 |Alejandro González |TKO (punches) |align=center|1 |align=center|1:50 |Miami, Florida, United States
|Loss |align=center|4–1 |Gianni Vázquez |Decision (split) |Combate Global: Cháirez vs. Monterroso | |align=center|3 |align=center|5:00 |Miami, Florida, United States
|Win |align=center|4–0 |William Sánchez |TKO (punches) |Combate Americas 38 | |align=center|1 |align=center|0:56 |Lima, Peru
|Win |align=center|3–0 |Enrique Barragán |KO (punch) |Combate Americas 21 | |align=center|1 |align=center|1:10 |Monterrey, Mexico
|Win |align=center|2–0 |Josue López |KO (punch) |Ultimate Combat Challenge 30 | |align=center|1 |align=center|2:50 |Guatemala City, Guatemala
|Win |align=center|1–0 |Erick Espita Garcia |TKO (punches) |Xtreme Kombat 31 | |align=center|2 |align=center|2:11 |Mexico City, Mexico
See also
List of current UFC fighters List of Dana White's Contender Series alumni List of male mixed martial artists List of Mexican UFC fighters
Notes
References
External links